There are 1001 fish that start with the letter I, from Iago garricki to Ixora brevirhamphus. Below you will find them listed alphabetically along with some general information about each. Click the toggle view buttons in the top right corner to switch between the card and the table view.
For each item you will find the following information
Order: The subclass the fish belongs to
Habitat: The places or type of weather the fish lives in
Scientific name: The designation that scientists use to catalog the species
Name: Iago garricki
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Iago garricki
Name: Iago omanensis
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Iago omanensis
Name: Iago spina
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Iago spina
Name: Iago zuluensis
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Iago zuluensis
Name: Iago's Skate
Order: Rajiformes
Habitat: Marine
Scientific name: Raja iago
Name: Ibacus alticrenatus
Order: Decapoda
Habitat: Marine
Scientific name: Ibacus alticrenatus
Name: Ibacus brevipes
Order: Decapoda
Habitat: Marine
Scientific name: Ibacus brevipes
Name: Ibacus brucei
Order: Decapoda
Habitat: Marine
Scientific name: Ibacus brucei
Name: Ibacus chacei
Order: Decapoda
Habitat: Marine
Scientific name: Ibacus chacei
Name: Ibacus ciliatus
Order: Decapoda
Habitat: Marine
Scientific name: Ibacus ciliatus
Name: Ibacus novaezealandiae
Order: Decapoda
Habitat: Marine
Scientific name: Ibacus novaezealandiae
Name: Ibacus novemdentatus
Order: Decapoda
Habitat: Marine
Scientific name: Ibacus novemdentatus
Name: Ibacus peronii
Order: Decapoda
Habitat: Marine
Scientific name: Ibacus peronii
Name: Ibaragobius iwatae
Order: Gobiiformes
Habitat: Freshwater
Scientific name: Ibaragobius iwatae
Name: Ibarra's Cardinalfish
Order: Perciformes
Habitat: Marine
Scientific name: Apogon ibarrae
Name: Iberi Barbel
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Barbus comizo
Name: Iberian Barbel
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Luciobarbus bocagei
Name: Iberian Chub
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Squalius pyrenaicus
Name: Iberian Gudgeon
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Gobio lozanoi
Name: Iberian Nase
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Chondrostoma polylepis
Name: Iberian Roach
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Rutilus alburnoides
Name: Iberian Spined Loach
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Cobitis paludica
Name: Icefish
Order: Perciformes
Habitat: Southern Ocean
Scientific name: Channichthyidae
Name: Icelinus borealis
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelinus borealis
Name: Icelinus cavifrons
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelinus cavifrons
Name: Icelinus filamentosus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelinus filamentosus
Name: Icelinus fimbriatus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelinus fimbriatus
Name: Icelinus hancocki
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelinus hancocki
Name: Icelinus oculatus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelinus oculatus
Name: Icelinus quadriseriatus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelinus quadriseriatus
Name: Icelinus strabo
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelinus strabo
Name: Icelinus tenuis
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelinus tenuis
Name: Icelus armatus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelus armatus
Name: Icelus bicornis
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelus bicornis
Name: Icelus euryops
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelus euryops
Name: Icelus masuzoi
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelus masuzoi
Name: Icelus ochotensis
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelus ochotensis
Name: Icelus spatula
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelus spatula
Name: Icelus spiniger
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelus spiniger
Name: Icelus stenosomus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelus stenosomus
Name: Icelus uncinalis
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Icelus uncinalis
Name: Ichnusa Seadevil
Order: Lophiiformes
Habitat: Marine
Scientific name: Centrophryne ichnusa
Name: Ichthyacanthus
Order: Acanthuriformes
Habitat: Marine
Scientific name: Ichthyacanthus
Name: Ichthyborus besse
Order: Characiformes
Habitat: Freshwater
Scientific name: Ichthyborus besse
Name: Ichthyborus congolensis
Order: Characiformes
Habitat: Freshwater
Scientific name: Ichthyborus congolensis
Name: Ichthyborus monodi
Order: Characiformes
Habitat: Freshwater
Scientific name: Ichthyborus monodi
Name: Ichthyborus ornatus
Order: Characiformes
Habitat: Freshwater
Scientific name: Ichthyborus ornatus
Name: Ichthyborus quadrilineatus
Order: Characiformes
Habitat: Freshwater
Scientific name: Ichthyborus quadrilineatus
Name: Ichthyocampus bikiniensis
Order: Syngnathiformes
Habitat: Marine
Scientific name: Ichthyocampus bikiniensis
Name: Ichthyocampus carce
Order: Syngnathiformes
Habitat: Marine/Brackish
Scientific name: Ichthyocampus carce
Name: Ichthyocampus hubbsi
Order: Syngnathiformes
Habitat: Marine
Scientific name: Ichthyocampus hubbsi
Name: Ichthyococcus elongatus
Order: Stomiiformes
Habitat: Marine
Scientific name: Ichthyococcus elongatus
Name: Ichthyococcus intermedius
Order: Stomiiformes
Habitat: Marine
Scientific name: Ichthyococcus intermedius
Name: Ichthyococcus irregularis
Order: Stomiiformes
Habitat: Marine
Scientific name: Ichthyococcus irregularis
Name: Ichthyococcus longipinnis
Order: Stomiiformes
Habitat: Marine
Scientific name: Ichthyococcus longipinnis
Name: Ichthyococcus ovatus
Order: Stomiiformes
Habitat: Marine
Scientific name: Ichthyococcus ovatus
Name: Ichthyococcus polla
Order: Stomiiformes
Habitat: Marine
Scientific name: Ichthyococcus polla
Name: Ichthyoconger caudalis
Order: Anguilliformes
Habitat: Marine
Scientific name: Ichthyoconger caudalis
Name: Ichthyoconger gracilis
Order: Anguilliformes
Habitat: Marine
Scientific name: Ichthyoconger gracilis
Name: Ichthyoconger vicinalis
Order: Anguilliformes
Habitat: Marine
Scientific name: Ichthyoconger vicinalis
Name: Ichthyoelephas barbatus
Order: Characiformes
Habitat: Freshwater
Scientific name: Ichthyoelephas barbatus
Name: Ichthyoelephas longirostris
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Ichthyoelephas longirostris
Name: Ichthyoelephas mariposa
Order: Characiformes
Habitat: Freshwater
Scientific name: Ichthyoelephas mariposa
Name: Ichthyoelephas pachycheilus
Order: Characiformes
Habitat: Freshwater
Scientific name: Ichthyoelephas pachycheilus
Name: Ichthyoelephas patalo
Order: Characiformes
Habitat: Freshwater
Scientific name: Ichthyoelephas patalo
Name: Ichthyoelephas patens
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Ichthyoelephas patens
Name: Ichthyoelephas pearsei
Order: Characiformes
Habitat: Freshwater
Scientific name: Ichthyoelephas pearsei
Name: Ichthyomugil mugil
Order: Mugiliformes
Habitat: Marine
Scientific name: Ichthyomugil mugil
Name: Ichthyophilus cornutus
Order: Characiformes
Habitat: Freshwater
Scientific name: Ichthyophilus cornutus
Name: Ichthyophis bannanicus
Order: Gymnophiona
Habitat: Freshwater
Scientific name: Ichthyophis bannanicus
Name: Ichthyophis beddomei
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis beddomei
Name: Ichthyophis biangularis
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis biangularis
Name: Ichthyophis billitonensis
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis billitonensis
Name: Ichthyophis bombayensis
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis bombayensis
Name: Ichthyophis bourreti
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis bourreti
Name: Ichthyophis channabassamensis
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis channabassamensis
Name: Ichthyophis daribokensis
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis daribokensis
Name: Ichthyophis davidi
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis davidi
Name: Ichthyophis dulitensis
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis dulitensis
Name: Ichthyophis elongatus
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis elongatus
Name: Ichthyophis garoensis
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis garoensis
Name: Ichthyophis glandulosus
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis glandulosus
Name: Ichthyophis hypocyaneus
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis hypocyaneus
Name: Ichthyophis javanicus
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis javanicus
Name: Ichthyophis kodaguensis
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis kodaguensis
Name: Ichthyophis kohtaoensis
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis kohtaoensis
Name: Ichthyophis melleri
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis melleri
Name: Ichthyophis mindanaoensis
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis mindanaoensis
Name: Ichthyophis monochrous
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis monochrous
Name: Ichthyophis orthoplicatus
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis orthoplicatus
Name: Ichthyophis paucidentulus
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis paucidentulus
Name: Ichthyophis petersii
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis petersii
Name: Ichthyophis rubricaudis
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis rubricaudis
Name: Ichthyophis sculpturatus
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis sculpturatus
Name: Ichthyophis sentosae
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis sentosae
Name: Ichthyophis seramensis
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis seramensis
Name: Ichthyophis sikkimensis
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis sikkimensis
Name: Ichthyophis singaporensis
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis singaporensis
Name: Ichthyophis tricolor
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis tricolor
Name: Ichthyophis weberi
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis weberi
Name: Ichthyophis youngorum
Order: Ichthyophiidae
Habitat: Freshwater
Scientific name: Ichthyophis youngorum
Name: Ichthyscopus barbatus
Order: Perciformes
Habitat: Marine
Scientific name: Ichthyscopus barbatus
Name: Ichthyscopus fasciatus
Order: Perciformes
Habitat: Marine
Scientific name: Ichthyscopus fasciatus
Name: Ichthyscopus lebeck
Order: Perciformes
Habitat: Marine
Scientific name: Ichthyscopus lebeck
Name: Ichthyscopus nigripinnis
Order: Perciformes
Habitat: Marine
Scientific name: Ichthyscopus nigripinnis
Name: Ichthyscopus spinosus
Order: Perciformes
Habitat: Marine
Scientific name: Ichthyscopus spinosus
Name: Icichthys lockingtoni
Order: Scombriformes
Habitat: Marine
Scientific name: Icichthys lockingtoni
Name: Icosteus aenigmaticus
Order: Perciformes
Habitat: Marine
Scientific name: Icosteus aenigmaticus
Name: Icotea punctata
Order: Siluriformes
Habitat: Freshwater
Scientific name: Icotea punctata
Name: Icticus glaber
Order: Scombriformes
Habitat: Marine
Scientific name: Icticus glaber
Name: Ida's Moray Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax idae
Name: Ide
Order: Cypriniformes
Habitat: Europe and Asia
Scientific name: Leuciscus idus
Name: Ide Dwarf Barbel
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Puntius idei
Name: Idema's Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Stonogobiops idema
Name: Idiacanth
Order: Stomiiformes
Habitat: Marine
Scientific name: Idiacanthus fasciola
Name: Idiacanthidae
Order: Stomiiformes
Habitat: Marine
Scientific name: Idiacanthus antrostomus
Name: Idiacanthus antrostomus
Order: Stomiiformes
Habitat: Marine
Scientific name: Idiacanthus antrostomus
Name: Idiacanthus atlanticus
Order: Stomiiformes
Habitat: Marine
Scientific name: Idiacanthus atlanticus
Name: Idiacanthus caeruleus
Order: Stomiiformes
Habitat: Marine
Scientific name: Idiacanthus caeruleus
Name: Idiacanthus fasciola
Order: Stomiiformes
Habitat: Marine
Scientific name: Idiacanthus fasciola
Name: Idiacanthus niger
Order: Stomiiformes
Habitat: Marine
Scientific name: Idiacanthus niger
Name: Idiacanthus richardsoni
Order: Stomiiformes
Habitat: Marine
Scientific name: Idiacanthus richardsoni
Name: Idiacanthus spinosus
Order: Stomiiformes
Habitat: Marine
Scientific name: Idiacanthus spinosus
Name: Idiacanthus umbrinus
Order: Stomiiformes
Habitat: Marine
Scientific name: Idiacanthus umbrinus
Name: Idiacanthus weissmanni
Order: Stomiiformes
Habitat: Marine
Scientific name: Idiacanthus weissmanni
Name: Idioblennius
Order: Blenniiformes
Habitat: Marine
Scientific name: Idioblennius
Name: Idiobrotula
Order: Ophidiiformes
Habitat: Marine
Scientific name: Idiobrotula
Name: Idioclinus
Order: Blenniiformes
Habitat: Marine
Scientific name: Idioclinus
Name: Idionyx
Order: Odonata
Habitat: Freshwater
Scientific name: Idionyx
Name: Idioscopus
Order: Hemiptera
Habitat: Freshwater
Scientific name: Idioscopus
Name: Idiotrochus
Order: Scleractinia
Habitat: Marine
Scientific name: Idiotrochus
Name: Idiotropiscis aculeata
Order: Syngnathiformes
Habitat: Marine
Scientific name: Idiotropiscis aculeata
Name: Idiotropiscis australe
Order: Syngnathiformes
Habitat: Marine
Scientific name: Idiotropiscis australe
Name: Idiotropiscis larsonae
Order: Syngnathiformes
Habitat: Marine
Scientific name: Idiotropiscis larsonae
Name: Idiotropiscis lumnitzeri
Order: Syngnathiformes
Habitat: Marine
Scientific name: Idiotropiscis lumnitzeri
Name: Idol's Goatfish
Order: Perciformes
Habitat: Marine
Scientific name: Parupeneus jansenii
Name: Idolmaton
Order: Decapoda
Habitat: Marine
Scientific name: Idolmaton
Name: Idoma's Pipefish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Corythoichthys idiosoma
Name: Idotea Pacifica
Order: Isopoda
Habitat: Marine
Scientific name: Idotea pacifica
Name: Ie Seabreak
Order: Perciformes
Habitat: Marine
Scientific name: Acanthopagrus ie
Name: Ie Seabreak Scissortail
Order: Perciformes
Habitat: Marine
Scientific name: Caesio cuning
Name: Iejima Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Engyprosopon iijimae
Name: Iguana Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Ophioblennius atlanticus
Name: Iguana Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Ophiogobius ophicephalus
Name: Iheringichthys labrosus
Order: Siluriformes
Habitat: Freshwater
Scientific name: Hemiancistrus labrosus
Name: Iheringichthys microps
Order: Siluriformes
Habitat: Freshwater
Scientific name: Iheringichthys microps
Name: Ihle's Anemonefish
Order: Perciformes
Habitat: Marine
Scientific name: Amphiprion ihlei
Name: Iji's Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Acentrogobius ijimae
Name: Iji's Worm Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Muraenichthys iijimai
Name: Ijil Loach
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Oxynoemacheilus ijil
Name: Ijima Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Pleuronectes ijimae
Name: Ijima's Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Cleisthenes pinetorum
Name: Ijima's Moray Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax ijimae
Name: Ijima's Sand Perch
Order: Perciformes
Habitat: Marine
Scientific name: Parapercis ijimae
Name: Ijima's Sandperch
Order: Perciformes
Habitat: Marine
Scientific name: Parapercis ijimae
Name: Ijima's Snake Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Ethadalia ijimae
Name: Ijima's Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Halichoeres ijimae
Name: Ijimaia
Order: Ophidiiformes
Habitat: Marine
Scientific name: Ijimaia
Name: Ijimaia antillarum
Order: Aulopiformes
Habitat: Marine
Scientific name: Ijimaia antillarum
Name: Ijimaia dofleini
Order: Aulopiformes
Habitat: Marine
Scientific name: Ijimaia dofleini
Name: Ijimaia fowleri
Order: Aulopiformes
Habitat: Marine
Scientific name: Ijimaia fowleri
Name: Ijimaia loppei
Order: Aulopiformes
Habitat: Marine
Scientific name: Ijimaia loppei
Name: Ijimaia plicata
Order: Aulopiformes
Habitat: Marine
Scientific name: Ijimaia plicata
Name: Ijinkan-ten
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Scorpaena izensis
Name: Ikan Keli
Order: Siluriformes
Habitat: Freshwater
Scientific name: Clarias batrachus
Name: Ikan Terbang
Order: Beloniformes
Habitat: Marine
Scientific name: Hirundichthys oxycephalus
Name: Ikeda's Dragonet
Order: Perciformes
Habitat: Marine
Scientific name: Diplogrammus ikedai
Name: Ikeda's Scabbardfish
Order: Perciformes
Habitat: Marine
Scientific name: Aphanopus ikedae
Name: Ikeda's Sole
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Pardachirus ikedai
Name: Ilago goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Vanderhorstia ilagorensis
Name: Ilha Grande Sea Catfish
Order: Siluriformes
Habitat: Brackish/Marine
Scientific name: Genidens planifrons
Name: Ilha Grande Speckled Sleeper
Order: Gobiiformes
Habitat: Freshwater/Brackish
Scientific name: Eleotris dussumieri
Name: Ilha Grande Stargazer
Order: Perciformes
Habitat: Marine
Scientific name: Astroscopus sexspinus
Name: Ilha Verde Perchlet
Order: Perciformes
Habitat: Brackish/Marine
Scientific name: Ambassis urotaenia
Name: Ilhabela Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax nigromarginatus
Name: Ilhaby Lake Anchovy
Order: Clupeiformes
Habitat: Marine
Scientific name: Anchoa ilhaby
Name: Iliamna
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Iliamna
Name: Ilisha
Order: Clupeiformes
Habitat: Marine/Brackish
Scientific name: Ilisha
Name: Ilisha africana
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilisha africana
Name: Ilisha elongata
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilisha elongata
Name: Ilisha fugleri
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilisha fugleri
Name: Ilisha furthii
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilisha furthii
Name: Ilisha indica
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilisha indica
Name: Ilisha kelee
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilisha kelee
Name: Ilisha kowae
Order: Clupeiformes
Habitat: Marine/Brackish
Scientific name: Ilisha kowae
Name: Ilisha lunula
Order: Clupeiformes
Habitat: Marine/Brackish
Scientific name: Ilisha lunula
Name: Ilisha macrogaster
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilisha macrogaster
Name: Ilisha megaloptera
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilisha megaloptera
Name: Ilisha melastoma
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilisha melastoma
Name: Ilisha nipponica
Order: Clupeiformes
Habitat: Marine/Brackish
Scientific name: Ilisha nipponica
Name: Ilisha novacula
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilisha novacula
Name: Ilisha obfuscata
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilisha obfuscata
Name: Ilisha occidentalis
Order: Clupeiformes
Habitat: Marine/Brackish
Scientific name: Ilisha occidentalis
Name: Ilisha playfairii
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilisha playfairii
Name: Ilisha pristigastroides
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilisha pristigastroides
Name: Ilisha raymondi
Order: Clupeiformes
Habitat: Marine/Brackish
Scientific name: Ilisha raymondi
Name: Ilisha sirishai
Order: Clupeiformes
Habitat: Marine/Brackish
Scientific name: Ilisha sirishai
Name: Ilisha striata
Order: Clupeiformes
Habitat: Marine/Brackish
Scientific name: Ilisha striata
Name: Ilisha xanthoptera
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilisha xanthoptera
Name: Ilishia abyssinica
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia abyssinica
Name: Ilishia africana
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia africana
Name: Ilishia amazonica
Order: Clupeiformes
Habitat: Freshwater
Scientific name: Ilishia amazonica
Name: Ilishia compressa
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia compressa
Name: Ilishia elongata
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia elongata
Name: Ilishia filigera
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia filigera
Name: Ilishia furthii
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia furthii
Name: Ilishia indica
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia indica
Name: Ilishia meciguinae
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia meciguinae
Name: Ilishia microstoma
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia microstoma
Name: Ilishia nigripinnis
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia nigripinnis
Name: Ilishia obfuscata
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia obfuscata
Name: Ilishia patalu
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia patalu
Name: Ilishia pristigastroides
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia pristigastroides
Name: Ilishia sirishai
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia sirishai
Name: Ilishia sladeni
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia sladeni
Name: Ilishia striata
Order: Clupeiformes
Habitat: Marine
Scientific name: Ilishia striata
Name: Ill-favored Sand Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Odontaspis ferox
Name: Illana cervina
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Illana cervina
Name: Illana costaricensis
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Illana costaricensis
Name: Illana exstans
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Illana exstans
Name: Illana herrerae
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Illana herrerae
Name: Illana hickmani
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Illana hickmani
Name: Illana pardalis
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Illana pardalis
Name: Illana peraltae
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Illana peraltae
Name: Illana rivularis
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Illana rivularis
Name: Illana salvadori
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Illana salvadori
Name: Illana tenuis
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Illana tenuis
Name: Illana velifera
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Illana velifera
Name: Illana vivipara
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Illana vivipara
Name: Illecebrosa bonifati
Order: Perciformes
Habitat: Marine
Scientific name: Illecebrosa bonifati
Name: Illia's Minnow
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Phoxinus illyricus
Name: Illiamna's Sculpin
Order: Scorpaeniformes
Habitat: Freshwater
Scientific name: Cottus kaganensis
Name: Illicium il
Order: Batrachoidiformes
Habitat: Marine
Scientific name: Halobatrachus il
Name: Illinois Crayfish
Order: Decapoda
Habitat: Freshwater
Scientific name: Orconectes illinoiensis
Name: Illiosquilloides
Order: Stomatopoda
Habitat: Marine
Scientific name: Illiosquilloides platysoma
Name: Illiosquilloides maldivensis
Order: Stomatopoda
Habitat: Marine
Scientific name: Illiosquilloides maldivensis
Name: Illisha
Order: Clupeiformes
Habitat: Coastal waters of Indo-Pacific
Scientific name: Ilisha
Name: Illisha Blacktip
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Carcharhinus ilisha
Name: Illyodrilus frantzi
Order: Clitellata
Habitat: Freshwater
Scientific name: Illyodrilus frantzi
Name: Illyrian Barbel
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Barbus rebeli
Name: Illyrian Dace
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Leuciscus dalmaticus
Name: Illyrian Loach
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Gobio illyricus
Name: Illyrian Rudd
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Scardinius illyricus
Name: Illyriobarbus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Barbus illyricus
Name: Ilmari's Sculpin
Order: Scorpaeniformes
Habitat: Freshwater
Scientific name: Cottus ilmanii
Name: Ilora Barb
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Barbus ilora
Name: Ilyanassa obsoleta
Order: Neogastropoda
Habitat: Marine
Scientific name: Ilyanassa obsoleta
Name: Ilyichthys syrdarjensis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Ilyichthys syrdarjensis
Name: Ilyocryptus acutifrons
Order: Cladocera
Habitat: Freshwater
Scientific name: Ilyocryptus acutifrons
Name: Ilyocryptus spinifer
Order: Cladocera
Habitat: Freshwater
Scientific name: Ilyocryptus spinifer
Name: Ilyodon cortesae
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Ilyodon cortesae
Name: Ilyodon furcidens
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Ilyodon furcidens
Name: Ilyodon whitei
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Ilyodon whitei
Name: Ilyophis arambourgi
Order: Anguilliformes
Habitat: Marine
Scientific name: Ilyophis arambourgi
Name: Ilyophis arx
Order: Anguilliformes
Habitat: Marine
Scientific name: Ilyophis arx
Name: Ilyophis blachei
Order: Anguilliformes
Habitat: Marine
Scientific name: Ilyophis blachei
Name: Ilyophis brunneus
Order: Anguilliformes
Habitat: Marine
Scientific name: Ilyophis brunneus
Name: Ilyophis confederatus
Order: Anguilliformes
Habitat: Marine
Scientific name: Ilyophis confederatus
Name: Ilyophis creoli
Order: Anguilliformes
Habitat: Marine
Scientific name: Ilyophis creoli
Name: Ilyophis infundibulum
Order: Anguilliformes
Habitat: Marine
Scientific name: Ilyophis infundibulum
Name: Ilyophis longidentatus
Order: Anguilliformes
Habitat: Marine
Scientific name: Ilyophis longidentatus
Name: Ilyophis nigeli
Order: Anguilliformes
Habitat: Marine
Scientific name: Ilyophis nigeli
Name: Ilyophis paracuneolus
Order: Anguilliformes
Habitat: Marine
Scientific name: Ilyophis paracuneolus
Name: Ilyophis platyrhynchus
Order: Anguilliformes
Habitat: Marine
Scientific name: Ilyophis platyrhynchus
Name: Ilyophis robinsae
Order: Anguilliformes
Habitat: Marine
Scientific name: Ilyophis robinsae
Name: Ilyophis robinsorum
Order: Anguilliformes
Habitat: Marine
Scientific name: Ilyophis robinsorum
Name: Ilyophis saldanhai
Order: Anguilliformes
Habitat: Marine
Scientific name: Ilyophis saldanhai
Name: Ilé-Ifè Cichlid
Order: Cichliformes
Habitat: Freshwater
Scientific name: Tilapia ilé-ifè
Name: Imaculada Catfish
Order: Siluriformes
Habitat: Freshwater
Scientific name: Pimelodella immaculata
Name: Imaculate Sole
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Solea immaculata
Name: Imakus
Order: Perciformes
Habitat: Marine
Scientific name: Imakus
Name: Imakusyus longicaudus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Imakusyus longicaudus
Name: Imakusyus phrynoides
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Imakusyus phrynoides
Name: Imamura's Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Poecilopsetta imamurae
Name: Imas' River Goby
Order: Gobiiformes
Habitat: Freshwater
Scientific name: Rhinogobius imas
Name: Imas' Weedfish
Order: Perciformes
Habitat: Marine
Scientific name: Heteroclinus imas
Name: Imber's Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Notolabrus imberbis
Name: Imelda's Catfish
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imelda miloni
Name: Imelda's Dragonet
Order: Perciformes
Habitat: Marine
Scientific name: Synchiropus imeldae
Name: Imelda's Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Oxyurichthys imeldae
Name: Immaculate Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Pleurosicya immaculata
Name: Immaculate Grunter
Order: Perciformes
Habitat: Brackish/Marine
Scientific name: Terapon immaculatus
Name: Immaculate Rabbitfish
Order: Perciformes
Habitat: Marine
Scientific name: Siganus immaculatus
Name: Immaculate Sole
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Pardachirus immaculatus
Name: Immaculate Stingray
Order: Myliobatiformes
Habitat: Marine
Scientific name: Neotrygon immaculata
Name: Immaculate Whiptail
Order: Gadiformes
Habitat: Marine
Scientific name: Macrourus immaculatus
Name: Immortal Betta
Order: Anabantiformes
Habitat: Freshwater
Scientific name: Betta immaculata
Name: Imola Nase
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Chondrostoma imeretiensis
Name: Imparfinis aglabris
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis aglabris
Name: Imparfinis cochabambae
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis cochabambae
Name: Imparfinis cochranae
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis cochranae
Name: Imparfinis guttatus
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis guttatus
Name: Imparfinis hollandi
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis hollandi
Name: Imparfinis holopriscus
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis holopriscus
Name: Imparfinis longicauda
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis longicauda
Name: Imparfinis microps
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis microps
Name: Imparfinis minutus
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis minutus
Name: Imparfinis mirini
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis mirini
Name: Imparfinis mishanensis
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis mishanensis
Name: Imparfinis nemacheir
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis nemacheir
Name: Imparfinis panamensis
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis panamensis
Name: Imparfinis parvaculus
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis parvaculus
Name: Imparfinis parvus
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis parvus
Name: Imparfinis piabarchus
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis piabarchus
Name: Imparfinis pijaoensis
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis pijaoensis
Name: Imparfinis pristinus
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis pristinus
Name: Imparfinis pseudonemacheir
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis pseudonemacheir
Name: Imparfinis pseudonigellus
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis pseudonigellus
Name: Imparfinis spurrellii
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis spurrellii
Name: Imparfinis stictonotus
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis stictonotus
Name: Imparfinis teixeirai
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis teixeirai
Name: Imparfinis torae
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis torae
Name: Imparfinis tui
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis tui
Name: Imparfinis usmai
Order: Siluriformes
Habitat: Freshwater
Scientific name: Imparfinis usmai
Name: Impatiens Anchovy
Order: Clupeiformes
Habitat: Marine
Scientific name: Encrasicholina impatiens
Name: Impatiens Cardinalfish
Order: Perciformes
Habitat: Marine
Scientific name: Apogon impatiens
Name: Imperator Angelfish
Order: Perciformes
Habitat: Marine
Scientific name: Pomacanthus imperator
Name: Imperfect Sole
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Solea impar
Name: Imperforate Skate
Order: Rajiformes
Habitat: Marine
Scientific name: Okamejei hollandi
Name: Imperial Anchovy
Order: Clupeiformes
Habitat: Marine
Scientific name: Encrasicholina imperialis
Name: Imperial Angelfish
Order: Perciformes
Habitat: Marine
Scientific name: Pomacanthus imperator
Name: Imperial Blackfish
Order: Perciformes
Habitat: Marine
Scientific name: Girella elevata
Name: Imperial Bullseye
Order: Perciformes
Habitat: Marine
Scientific name: Priacanthus hamrur
Name: Imperial Cardinalfish
Order: Perciformes
Habitat: Marine
Scientific name: Apogonichthys imperator
Name: Imperial Cigarfish
Order: Scombriformes
Habitat: Marine
Scientific name: Cubiceps imperator
Name: Imperial Cod
Order: Gadiformes
Habitat: Marine
Scientific name: Lotella rhacina
Name: Imperial Conefish
Order: Perciformes
Habitat: Marine
Scientific name: Symphorus nematophorus
Name: Imperial Dottyback
Order: Perciformes
Habitat: Marine
Scientific name: Pseudochromis imperialis
Name: Imperial Dragonet
Order: Perciformes
Habitat: Marine
Scientific name: Callionymus imperialis
Name: Imperial Drummer
Order: Perciformes
Habitat: Marine
Scientific name: Kyphosus imperator
Name: Imperial Fangjaw
Order: Stomiiformes
Habitat: Marine
Scientific name: Astronesthes niger
Name: Imperial Flagtail
Order: Perciformes
Habitat: Freshwater/Brackish
Scientific name: Kuhlia marginata
Name: Imperial Flathead
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Platycephalus fuscus
Name: Imperial Flatworm
Order: Platyhelminthes
Habitat: Marine
Scientific name: Pseudobiceros imperator
Name: Imperial Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Pleuronichthys ritteri
Name: Imperial Flyingfish
Order: Beloniformes
Habitat: Marine
Scientific name: Cypselurus imperator
Name: Imperial Frillshark
Order: Hexanchiformes
Habitat: Marine
Scientific name: Chlamydoselachus imperialis
Name: Imperial Garden Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Gorgasia imperialis
Name: Imperial Gourami
Order: Osphronemiformes
Habitat: Freshwater
Scientific name: Sphaerichthys imperialis
Name: Imperial Gregory
Order: Perciformes
Habitat: Marine
Scientific name: Stegastes imbricatus
Name: Imperial Grunt
Order: Perciformes
Habitat: Marine
Scientific name: Diagramma pictum
Name: Imperial Hatchetfish
Order: Stomiiformes
Habitat: Marine
Scientific name: Argyropelecus imperialis
Name: Imperial Hogfish
Order: Perciformes
Habitat: Marine
Scientific name: Bodianus imperator
Name: Imperial Jellyfish
Order: Scyphozoa
Habitat: Marine
Scientific name: Chrysaora imperator
Name: Imperial Jellyfish-fish
Order: Carangiformes
Habitat: Marine
Scientific name: Schedophilus medusophagus
Name: Imperial John Dory
Order: Zeiformes
Habitat: Marine
Scientific name: Zenopsis nebulosa
Name: Imperial Knifejaw
Order: Perciformes
Habitat: Marine
Scientific name: Oplegnathus fasciatus
Name: Imperial Lingcod
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Ophiodon elongatus
Name: Imperial Lionfish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Pterois imperator
Name: Imperial Mackerel
Order: Scombriformes
Habitat: Marine
Scientific name: Scomberesox saurus
Name: Imperial Modoc
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Modoc blennioides
Name: Imperial Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax imperialis
Name: Imperial Nannygai
Order: Perciformes
Habitat: Marine
Scientific name: Centroberyx imperator
Name: Imperial Pacu
Order: Characiformes
Habitat: Freshwater
Scientific name: Mylossoma duriventre
Name: Imperial Parrotfish
Order: Perciformes
Habitat: Marine
Scientific name: Scarus dubius
Name: Imperial Peacock Bass
Order: Perciformes
Habitat: Freshwater
Scientific name: Cichla orinocensis
Name: Imperial Perch
Order: Perciformes
Habitat: Freshwater
Scientific name: Perca imperialis
Name: Imperial Pigfish
Order: Perciformes
Habitat: Marine
Scientific name: Congiopodus imperator
Name: Imperial Pipefish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Corythoichthys imperator
Name: Imperial Pleco
Order: Siluriformes
Habitat: Freshwater
Scientific name: Panaqolus imperialis
Name: Imperial Pompano
Order: Carangiformes
Habitat: Marine
Scientific name: Trachinotus maxillosus
Name: Imperial Prawn
Order: Decapoda
Habitat: Marine
Scientific name: Penaeus imperator
Name: Imperial Prawn Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Amblyeleotris imperialis
Name: Imperial Razorfish
Order: Perciformes
Habitat: Marine
Scientific name: Xyrichtys imperialis
Name: Imperial Red Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus sebae
Name: Imperial Sandfish
Order: Perciformes
Habitat: Marine
Scientific name: Gonorynchus gonorynchus
Name: Imperial Scorpionfish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Scorpaena imperialis
Name: Imperial Sea Catfish
Order: Siluriformes
Habitat: Marine
Scientific name: Arius imperialis
Name: Imperial Seabat
Order: Perciformes
Habitat: Marine
Scientific name: Platax imperator
Name: Imperial Seaperch
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus sebae
Name: Imperial Shark
Order: Lamniformes
Habitat: Marine
Scientific name: Mitsukurina owstoni
Name: Imperial Slingjaw Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Epibulus insidiator
Name: Imperial Snake Mackerel
Order: Perciformes
Habitat: Marine
Scientific name: Promethichthys prometheus
Name: Imperial Snake-eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Ophichthus punctifer
Name: Imperial Snapper
Order: Lutjaniformes
Habitat: Indo-Pacific
Scientific name: Lutjanus sebae
Name: Imperial Snipe Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Nemichthys scolopaceus
Name: Imperial Snipefish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Macroramphosus scolopax
Name: Imperial Sole
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Aspidopsetta ijimai
Name: Imperial Squatina
Order: Squatiniformes
Habitat: Marine
Scientific name: Squatina imperialis
Name: Imperial Squidfish
Order: Gobiiformes
Habitat: Marine
Scientific name: Parasitichthys carinatus
Name: Imperial Squirrelfish
Order: Holocentriformes
Habitat: Marine
Scientific name: Sargocentron imperator
Name: Imperial Surgeonfish
Order: Perciformes
Habitat: Marine
Scientific name: Acanthurus imperialis
Name: Imperial Swordfish
Order: Xiphiiformes
Habitat: Marine
Scientific name: Xiphias gladius
Name: Imperial Tang
Order: Perciformes
Habitat: Marine
Scientific name: Zebrasoma scopas
Name: Imperial Threadfin
Order: Perciformes
Habitat: Marine
Scientific name: Polydactylus imperator
Name: Imperial Threadfin Bream
Order: Perciformes
Habitat: Marine
Scientific name: Nemipterus peronii
Name: Imperial Tope
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Galeorhinus imperialis
Name: Imperial Trevally
Order: Carangiformes
Habitat: Marine
Scientific name: Carangoides hemigymnostylus
Name: Imperial Triggerfish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Balistes vetula
Name: Imperial Turbot
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Pleuronectes isolepis
Name: Imperial Uranoscopus
Order: Perciformes
Habitat: Marine
Scientific name: Uranoscopus imperator
Name: Imperial Velvetfish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Paracentropogon longispinis
Name: Imperial Wahoo
Order: Scombriformes
Habitat: Marine
Scientific name: Acanthocybium solandri
Name: Imperial Weedfish
Order: Perciformes
Habitat: Marine
Scientific name: Heteroclinus imperialis
Name: Imperial Whitetip Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Carcharhinus longimanus
Name: Imperial Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Hologymnosus annulatus
Name: Imperialis Flathead
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Platycephalus imperialis
Name: Imposter Stonefish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Synanceia horrida
Name: Impoundment Threadfin
Order: Polymixiiformes
Habitat: Marine
Scientific name: Polymixia lowei
Name: Impressive Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Homestius impressus
Name: Inada's Anglerfish
Order: Lophiiformes
Habitat: Marine
Scientific name: Lophiomus inadae
Name: Inada's Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Pleuronectes inadae
Name: Inada's Grenadier
Order: Gadiformes
Habitat: Marine
Scientific name: Caelorinchus inadae
Name: Inada's Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax inadae
Name: Inada's Skate
Order: Rajiformes
Habitat: Marine
Scientific name: Okamejei inadae
Name: Inada's Sole
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Zebrias inadae
Name: Inada's Tripod Fish
Order: Aulopiformes
Habitat: Marine
Scientific name: Bathypterois inadae
Name: Inca Barb
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Barbus inca
Name: Inca Batfish
Order: Lophiiformes
Habitat: Marine
Scientific name: Zalieutes elater
Name: Inca Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Exallias brevis
Name: Inca Cardinalfish
Order: Perciformes
Habitat: Marine
Scientific name: Apogon inca
Name: Inca Catfish
Order: Siluriformes
Habitat: Freshwater
Scientific name: Pimelodella inca
Name: Inca Dottyback
Order: Perciformes
Habitat: Marine
Scientific name: Pseudochromis inca
Name: Inca Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Bothus mancus
Name: Inca Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Gnatholepis inca
Name: Inca Grouper
Order: Perciformes
Habitat: Marine
Scientific name: Mycteroperca inca
Name: Inca Pipefish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Corythoichthys inca
Name: Inca Scabbardfish
Order: Perciformes
Habitat: Marine
Scientific name: Aphanopus intermedius
Name: Inca Scorpionfish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Scorpaena mystes
Name: Inca Skate
Order: Rajiformes
Habitat: Marine
Scientific name: Bathyraja scaphiops
Name: Inca Squint-eyed Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Bryaninops inca
Name: Incandescent Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Ecsenius dilemma
Name: Incarnate Triplefin
Order: Blenniiformes
Habitat: Marine
Scientific name: Tripterygius inca
Name: Incarvillea Lizardfish
Order: Aulopiformes
Habitat: Marine
Scientific name: Synodus incae
Name: Incas' Hake
Order: Gadiformes
Habitat: Marine
Scientific name: Merluccius gayi peruanus
Name: Inchworm Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Congrogadus subducens
Name: Inchworm Pipefish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Parenfis cylindricus
Name: Incisalepis
Order: Perciformes
Habitat: Marine
Scientific name: Incisalepis
Name: Incisentis
Order: Perciformes
Habitat: Marine
Scientific name: Incisentis
Name: Incisentis lacustris
Order: Characiformes
Habitat: Freshwater
Scientific name: Incisentis lacustris
Name: Incisor Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Paralichthys lethostigma
Name: Incisor Toothed Catfish
Order: Siluriformes
Habitat: Freshwater
Scientific name: Silurus incisus
Name: Incisor Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Pteragogus cryptus
Name: Inclined Grubfish
Order: Perciformes
Habitat: Marine
Scientific name: Parapercis cylindrica
Name: Incomprise Cuskeel
Order: Ophidiiformes
Habitat: Marine
Scientific name: Dicrolene intrusa
Name: Inconnu
Order: Salmoniformes
Habitat: Arctic and subarctic regions of North America and Eurasia
Scientific name: Stenodus leucichthys
Name: Inconspicuous Pipefish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Corythoichthys conspicillatus
Name: Incorporeal Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Discordipinna griessingeri
Name: Increasingly Flathead
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Platycephalus indicus
Name: Indasoma
Order: Characiformes
Habitat: Freshwater
Scientific name: Indasoma
Name: Indelicate Brotula
Order: Ophidiiformes
Habitat: Marine
Scientific name: Brotula multispina
Name: Indesom
Order: Siluriformes
Habitat: Freshwater
Scientific name: Indesom
Name: Indiacanthus
Order: Perciformes
Habitat: Marine
Scientific name: Indiacanthus
Name: Indian Anchovy
Order: Clupeiformes
Habitat: Marine
Scientific name: Stolephorus indicus
Name: Indian Anchovy-Stolephorus indicus
Order: Clupeiformes
Habitat: Marine
Scientific name: Stolephorus indicus
Name: Indian Anglerfish
Order: Lophiiformes
Habitat: Marine
Scientific name: Lophius indicus
Name: Indian Bannerfish
Order: Perciformes
Habitat: Marine
Scientific name: Heniochus acuminatus
Name: Indian Barracuda
Order: Perciformes
Habitat: Marine
Scientific name: Sphyraena jello
Name: Indian Basslet
Order: Perciformes
Habitat: Marine
Scientific name: Pseudochromis olivaceus
Name: Indian Batavia Loach
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Botia dario
Name: Indian Batfish
Order: Ephippiformes
Habitat: Marine
Scientific name: Platax pinnatus
Name: Indian Batrachoid
Order: Batrachoidiformes
Habitat: Marine
Scientific name: Batrachomoeus rubricephalus
Name: Indian Beaked Leatherjacket
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Amanses scopas
Name: Indian Blackberryfish
Order: Perciformes
Habitat: Marine
Scientific name: Pempheris oualensis
Name: Indian Blackfish
Order: Perciformes
Habitat: Marine
Scientific name: Girella nigricans
Name: Indian Blacknose Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Carcharhinus sorrah
Name: Indian Blind Eel
Order: Synbranchiformes
Habitat: Freshwater
Scientific name: Monopterus indicus
Name: Indian Blubberlip Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus rivulatus
Name: Indian Blue Crab
Order: Decapoda
Habitat: Marine
Scientific name: Portunus pelagicus
Name: Indian Bluefin Trevally
Order: Carangiformes
Habitat: Marine
Scientific name: Caranx melampygus
Name: Indian Bobtail Squid
Order: Sepiolida
Habitat: Marine
Scientific name: Sepia brevimana
Name: Indian Bonefish
Order: Albuliformes
Habitat: Marine
Scientific name: Albula glossodonta
Name: Indian Bonito
Order: Scombriformes
Habitat: Marine
Scientific name: Sarda orientalis
Name: Indian Boxfish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Ostracion cubicus
Name: Indian Breams
Order: Acanthuriformes
Habitat: Marine
Scientific name: Acanthurus indicus
Name: Indian Broughton Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Symphodus typhle
Name: Indian Butterfish
Order: Perciformes
Habitat: Marine
Scientific name: Stromateus sinensis
Name: Indian Butterflyfish
Order: Perciformes
Habitat: Marine
Scientific name: Chaetodon mitratus
Name: Indian Caecilian
Order: Gymnophiona
Habitat: Freshwater/Terrestrial
Scientific name: Indotyphlus
Name: Indian Callionymidae
Order: Callionymiformes
Habitat: Marine
Scientific name: Callionymus indicus
Name: Indian Carpet Shark
Order: Orectolobiformes
Habitat: Marine
Scientific name: Chiloscyllium indicum
Name: Indian Cat Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Chiloscyllium indicum
Name: Indian Catfish
Order: Siluriformes
Habitat: Brackish/Marine
Scientific name: Arius tenuispinis
Name: Indian Chimaera
Order: Chimaeriformes
Habitat: Marine
Scientific name: Chimaera indica
Name: Indian Chinook Salmon
Order: Salmoniformes
Habitat: Freshwater/Marine
Scientific name: Oncorhynchus tshawytscha
Name: Indian Clarias Catfish
Order: Siluriformes
Habitat: Freshwater
Scientific name: Clarias batrachus
Name: Indian Cobia
Order: Perciformes
Habitat: Marine
Scientific name: Rachycentron canadum
Name: Indian Cod
Order: Gadiformes
Habitat: Marine
Scientific name: Bregmaceros macclellandii
Name: Indian Combtooth Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Ecsenius pulcher
Name: Indian Comet
Order: Perciformes
Habitat: Marine
Scientific name: Calloplesiops altivelis
Name: Indian Commerson's Sole
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Pardachirus marmoratus
Name: Indian Commerson's Sole-Synaptura commersoni
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Synaptura commersonii
Name: Indian Conger
Order: Anguilliformes
Habitat: Marine
Scientific name: Conger conger
Name: Indian Copepod
Order: Copepoda
Habitat: Marine
Scientific name: Indocalanus
Name: Indian Coralfish
Order: Perciformes
Habitat: Marine
Scientific name: Chaetodon auriga
Name: Indian Coris
Order: Perciformes
Habitat: Marine
Scientific name: Coris gaimard
Name: Indian Croaker
Order: Perciformes
Habitat: Marine
Scientific name: Protonibea diacanthus
Name: Indian Croaker-Protonibea diacanthus
Order: Perciformes
Habitat: Marine
Scientific name: Protonibea diacanthus
Name: Indian Croc-Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Brachysomophis crocodilinus
Name: Indian Cucumberfish
Order: Aulopiformes
Habitat: Marine
Scientific name: Synodus indicus
Name: Indian Dab
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Pleuronectes indicus
Name: Indian Dace
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Leuciscus indicus
Name: Indian Damselfish
Order: Perciformes
Habitat: Marine
Scientific name: Pomacentrus indicus
Name: Indian Deep Sea Catfish
Order: Siluriformes
Habitat: Marine
Scientific name: Bathyraja indica
Name: Indian Devil Ray
Order: Myliobatiformes
Habitat: Marine
Scientific name: Mobula kuhlii
Name: Indian Dogface Puffer
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Arothron nigropunctatus
Name: Indian Doublewhiptail
Order: Beryciformes
Habitat: Marine
Scientific name: Hoplostethus occidentalis
Name: Indian Dragonet
Order: Callionymiformes
Habitat: Marine
Scientific name: Callionymus indicus
Name: Indian Drift Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Carcharhinus longimanus
Name: Indian Driftfish
Order: Perciformes
Habitat: Marine
Scientific name: Psenes indicus
Name: Indian Dusky Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Carcharhinus obscurus
Name: Indian Eel
Order: Anguilliformes
Habitat: Freshwater/Brackish
Scientific name: Anguilla nebulosa
Name: Indian Elephantnose Fish
Order: Osteoglossiformes
Habitat: Freshwater
Scientific name: Gnathonemus petersii
Name: Indian Emperor
Order: Lethriniformes
Habitat: Marine
Scientific name: Lethrinus nebulosus
Name: Indian Ensign Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Hemigymnus fasciatus
Name: Indian Fat Sleeper
Order: Gobiiformes
Habitat: Freshwater/Brackish
Scientific name: Eleotris fusca
Name: Indian Feathertail Stingray
Order: Myliobatiformes
Habitat: Marine
Scientific name: Hypolophus sephen
Name: Indian Filefish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Monacanthus indicus
Name: Indian Fimbriated Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax fimbriatus
Name: Indian Flatfish
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Pardachirus marmoratus
Name: Indian Flathead
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Platycephalus indicus
Name: Indian Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Pleuronectes indicus
Name: Indian Flying Fish
Order: Beloniformes
Habitat: Marine
Scientific name: Cheilopogon nigricans
Name: Indian Flying Gurnard
Order: Perciformes
Habitat: Marine
Scientific name: Dactyloptena orientalis
Name: Indian Flyingfish
Order: Beloniformes
Habitat: Marine
Scientific name: Cheilopogon nigricans
Name: Indian Four-Eyed Fish
Order: Perciformes
Habitat: Freshwater/Brackish
Scientific name: Anableps anableps
Name: Indian Freshwater Sardine
Order: Clupeiformes
Habitat: Freshwater
Scientific name: Gudusia chapra
Name: Indian Frillfin
Order: Gobiiformes
Habitat: Marine
Scientific name: Bathygobius fuscus
Name: Indian Fringe-Lipped Sardine
Order: Clupeiformes
Habitat: Marine
Scientific name: Sardinella fimbriata
Name: Indian Frogfish
Order: Lophiiformes
Habitat: Marine
Scientific name: Antennarius indicus
Name: Indian Glassfish
Order: Perciformes
Habitat: Freshwater
Scientific name: Parambassis ranga
Name: Indian Goatfish
Order: Perciformes
Habitat: Marine
Scientific name: Parupeneus indicus
Name: Indian Goatfish-Parupeneus indicus
Order: Perciformes
Habitat: Marine
Scientific name: Parupeneus indicus
Name: Indian Godfish
Order: Gadiformes
Habitat: Marine
Scientific name: Macrourus berglax
Name: Indian Golden Loach
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Botia dario
Name: Indian Golden Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax reticularis
Name: Indian Goodes
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Goodea atripinnis
Name: Indian Grouper
Order: Perciformes
Habitat: Marine
Scientific name: Epinephelus coioides
Name: Indian Grunter
Order: Perciformes
Habitat: Marine
Scientific name: Pomadasys argyreus
Name: Indian Halavi Guitarfish
Order: Rhinopristiformes
Habitat: Marine
Scientific name: Glaucostegus halavi
Name: Indian Halfbeak
Order: Beloniformes
Habitat: Marine/Brackish
Scientific name: Hyporhamphus limbatus
Name: Indian Halibut
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Psettodes erumei
Name: Indian Hammerhead Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Sphyrna lewini
Name: Indian Hawkfish
Order: Perciformes
Habitat: Marine
Scientific name: Cirrhitichthys oxycephalus
Name: Indian Headstander
Order: Characiformes
Habitat: Freshwater
Scientific name: Chilodus punctatus
Name: Indian Highfin Batfish
Order: Perciformes
Habitat: Marine
Scientific name: Platax teira
Name: Indian Horsemackerel
Order: Carangiformes
Habitat: Marine
Scientific name: Megalaspis cordyla
Name: Indian Humpback Grouper
Order: Perciformes
Habitat: Marine
Scientific name: Cromileptes altivelis
Name: Indian Humphead Glassfish
Order: Perciformes
Habitat: Freshwater
Scientific name: Parambassis gulliveri
Name: Indian Kingfish
Order: Scombriformes
Habitat: Marine
Scientific name: Scomberomorus guttatus
Name: Indian Lantern Shark
Order: Squaliformes
Habitat: Marine
Scientific name: Etmopterus indicus
Name: Indian Leafy Scorpianfish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Rhinopias eschmeyeri
Name: Indian Leopard Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax undulatus
Name: Indian Lizardfish
Order: Aulopiformes
Habitat: Marine
Scientific name: Synodus indicus
Name: Indian Mackerel
Order: Scombriformes
Habitat: Indo-Pacific
Scientific name: Rastrelliger kanagurta
Name: Indian Mahi-mahi
Order: Carangiformes
Habitat: Marine
Scientific name: Coryphaena hippurus
Name: Indian Manta Ray
Order: Myliobatiformes
Habitat: Marine
Scientific name: Mobula birostris
Name: Indian Marine Catfish
Order: Siluriformes
Habitat: Marine/Brackish
Scientific name: Netuma thalassina
Name: Indian Milkfish
Order: Gonorynchiformes
Habitat: Marine/Brackish/Freshwater
Scientific name: Chanos chanos
Name: Indian Mirrorfish
Order: Perciformes
Habitat: Marine
Scientific name: Zenopsis nebulosa
Name: Indian Moneybag Eel
Order: Anguilliformes
Habitat: Freshwater/Brackish
Scientific name: Anguilla bengalensis bengalensis
Name: Indian Monkfish
Order: Lophiiformes
Habitat: Marine
Scientific name: Lophius litulon
Name: Indian Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax indicus
Name: Indian Morwong
Order: Perciformes
Habitat: Marine
Scientific name: Nemadactylus macropterus
Name: Indian Mudskipper
Order: Gobiiformes
Habitat: Brackish/Marine
Scientific name: Periophthalmus indicus
Name: Indian Muraenesox
Order: Anguilliformes
Habitat: Marine
Scientific name: Muraenesox cinereus
Name: Indian Night Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Carcharhinus signatus
Name: Indian Ocean Bannerfish
Order: Perciformes
Habitat: Marine
Scientific name: Heniochus acuminatus
Name: Indian Ocean Deepwater Flathead
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Platycephalus indicus
Name: Indian Ocean Flagtail
Order: Perciformes
Habitat: Freshwater/Brackish
Scientific name: Kuhlia mugil
Name: Indian Ocean Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Pseudorhombus elevatus
Name: Indian Ocean Humpback Grouper
Order: Perciformes
Habitat: Marine
Scientific name: Cromileptes altivelis
Name: Indian Ocean Humphead Batfish
Order: Perciformes
Habitat: Marine
Scientific name: Platax orbicularis
Name: Indian Ocean Leopard Grouper
Order: Perciformes
Habitat: Marine
Scientific name: Plectropomus pessuliferus
Name: Indian Ocean Lobster
Order: Decapoda
Habitat: Marine
Scientific name: Panulirus homarus
Name: Indian Ocean Napoleon Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Cheilinus undulatus
Name: Indian Ocean Picasso Triggerfish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Rhinecanthus aculeatus
Name: Indian Ocean Red Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus malabaricus
Name: Indian Ocean Requiem Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Carcharhinus sorrah
Name: Indian Ocean Sailfish
Order: Istiophoriformes
Habitat: Marine
Scientific name: Istiophorus platypterus
Name: Indian Ocean Sandperch
Order: Perciformes
Habitat: Marine
Scientific name: Parapercis hexophthalma
Name: Indian Ocean Scorpionfish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Scorpaenopsis venosa
Name: Indian Ocean Soapfish
Order: Perciformes
Habitat: Marine
Scientific name: Pogonoperca punctata
Name: Indian Ocean Spearfish
Order: Istiophoriformes
Habitat: Marine
Scientific name: Tetrapturus angustirostris
Name: Indian Ocean Squirrelfish
Order: Beryciformes
Habitat: Marine
Scientific name: Sargocentron spiniferum
Name: Indian Ocean Tilefish
Order: Perciformes
Habitat: Marine
Scientific name: Malacanthus latovittatus
Name: Indian Ocean Trevally
Order: Carangiformes
Habitat: Marine
Scientific name: Caranx sexfasciatus
Name: Indian Ocean Triggerfish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Sufflamen bursa
Name: Indian Ocean Turbot
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Psettodes erumei
Name: Indian Ocean Whitefin Wolf Herring
Order: Clupeiformes
Habitat: Marine
Scientific name: Chirocentrus dorab
Name: Indian Oil Sardine
Order: Clupeiformes
Habitat: Indo-Pacific
Scientific name: Sardinella longiceps
Name: Indian Oilfish
Order: Scombriformes
Habitat: Marine
Scientific name: Ruvettus pretiosus
Name: Indian Olive Barb
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Puntius filamentosus
Name: Indian Paddlefish
Order: Siluriformes
Habitat: Freshwater
Scientific name: Psephurus gladius
Name: Indian Pampano
Order: Carangiformes
Habitat: Marine
Scientific name: Trachinotus mookalee
Name: Indian Parasitic Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Simenchelys parasitica
Name: Indian Pearlfish
Order: Ophidiiformes
Habitat: Marine
Scientific name: Encheliophis indicus
Name: Indian Peculiar Loach
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Nemacheilus inglisi
Name: Indian Pencil Cardinalfish
Order: Kurtiformes
Habitat: Marine
Scientific name: Apogon indicus
Name: Indian Peneid Prawn
Order: Decapoda
Habitat: Marine
Scientific name: Penaeus indicus
Name: Indian Pike Conger
Order: Anguilliformes
Habitat: Marine
Scientific name: Congresox talabonoides
Name: Indian Pilotfish
Order: Carangiformes
Habitat: Marine
Scientific name: Naucrates ductor
Name: Indian Pipefish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Syngnathus indicus
Name: Indian Pitted Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Laeops nigrescens
Name: Indian Plaice
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Pleuronectes platessa
Name: Indian Porcupinefish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Diodon holocanthus
Name: Indian Prawn
Order: Decapoda
Habitat: Marine
Scientific name: Fenneropenaeus indicus
Name: Indian Puffers
Order: Tetraodontiformes
Habitat: Marine/Brackish/Freshwater
Scientific name: Chelonodon patoca
Name: Indian Pugnose Ponyfish
Order: Perciformes
Habitat: Marine
Scientific name: Leiognathus equulus
Name: Indian Remora
Order: Perciformes
Habitat: Marine
Scientific name: Echeneis naucrates
Name: Indian River Pinfish
Order: Perciformes
Habitat: Marine
Scientific name: Lagodon rhomboides
Name: Indian River Tench
Order: Cypriniformes
Habitat: Freshwater (Introduced)
Scientific name: Tinca tinca
Name: Indian Rock Cod
Order: Perciformes
Habitat: Marine
Scientific name: Epinephelus coioides
Name: Indian Round Herring
Order: Clupeiformes
Habitat: Marine
Scientific name: Dussumieria acuta
Name: Indian Sailfin Tang
Order: Acanthuriformes
Habitat: Marine
Scientific name: Zebrasoma veliferum
Name: Indian Sand Perch
Order: Perciformes
Habitat: Marine
Scientific name: Parapercis hexophthalma
Name: Indian Sand Snake-eel
Order: Anguilliformes
Habitat: Marine/Brackish/Freshwater
Scientific name: Pisodonophis boro
Name: Indian Scad
Order: Carangiformes
Habitat: Marine
Scientific name: Decapterus russelli
Name: Indian Scat
Order: Perciformes
Habitat: Marine/Brackish/Freshwater
Scientific name: Scatophagus argus
Name: Indian School Mackerel
Order: Scombriformes
Habitat: Marine
Scientific name: Scomberomorus munroi
Name: Indian Sea Cucumber
Order: Holothuroidea
Habitat: Marine
Scientific name: Holothuria scabra
Name: Indian Seerfish
Order: Scombriformes
Habitat: Marine
Scientific name: Scomberomorus guttatus
Name: Indian Shad
Order: Clupeiformes
Habitat: Marine
Scientific name: Hilsa kelee
Name: Indian Sharpspine Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus fulviflamma
Name: Indian Sheephead
Order: Perciformes
Habitat: Marine
Scientific name: Semicossyphus pulcher
Name: Indian Sheepshead
Order: Perciformes
Habitat: Marine
Scientific name: Archosargus probatocephalus
Name: Indian Shortbill Spearfish
Order: Istiophoriformes
Habitat: Marine
Scientific name: Tetrapturus pfluegeri
Name: Indian Shortfin Eel
Order: Anguilliformes
Habitat: Freshwater/Brackish
Scientific name: Anguilla bicolor
Name: Indian Sicklefish
Order: Ephippiformes
Habitat: Marine
Scientific name: Drepane punctata
Name: Indian Sidestripe Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus carponotatus
Name: Indian Silago
Order: Perciformes
Habitat: Marine/Brackish
Scientific name: Sillago sihama
Name: Indian Silver Bream
Order: Spariformes
Habitat: Marine
Scientific name: Rhabdosargus sarba
Name: Indian Silver Pomfret
Order: Perciformes
Habitat: Marine
Scientific name: Pampus argenteus
Name: Indian Skate
Order: Rajiformes
Habitat: Marine
Scientific name: Raja undulata
Name: Indian Snakehead
Order: Anabantiformes
Habitat: Freshwater
Scientific name: Channa orientalis
Name: Indian Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus johnii
Name: Indian Sole
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Solea vulgaris
Name: Indian Spiny Eel
Order: Synbranchiformes
Habitat: Freshwater
Scientific name: Macrognathus pancalus
Name: Indian Sprat
Order: Clupeiformes
Habitat: Marine
Scientific name: Spratelloides gracilis
Name: Indian Squirrelfish
Order: Beryciformes
Habitat: Marine
Scientific name: Neoniphon sammara
Name: Indian Starfish
Order: Asteroidea
Habitat: Marine
Scientific name: Astropecten indicus
Name: Indian Stargazer
Order: Perciformes
Habitat: Marine
Scientific name: Uranoscopus cognatus
Name: Indian Stinger
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Synanceia horrida
Name: Indian Stingray
Order: Myliobatiformes
Habitat: Marine
Scientific name: Dasyatis pastinaca
Name: Indian Stonefish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Synanceia horrida
Name: Indian Striped Mullet
Order: Mugiliformes
Habitat: Marine/Brackish/Freshwater
Scientific name: Mugil cephalus
Name: Indian Stripey
Order: Perciformes
Habitat: Marine
Scientific name: Microcanthus strigatus
Name: Indian Surgeonfish
Order: Perciformes
Habitat: Marine
Scientific name: Acanthurus nigricans
Name: Indian Sweeper
Order: Perciformes
Habitat: Marine
Scientific name: Pempheris vanicolensis
Name: Indian Sweetlips
Order: Perciformes
Habitat: Marine
Scientific name: Plectorhinchus vittatus
Name: Indian Threadfin
Order: Polynemiformes
Habitat: Marine
Scientific name: Polydactylus indicus
Name: Indian Threadfin Bream
Order: Perciformes
Habitat: Marine
Scientific name: Nemipterus japonicus
Name: Indian Tilapia
Order: Cichliformes
Habitat: Freshwater
Scientific name: Oreochromis mossambicus
Name: Indian Triggerfish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Sufflamen bursa
Name: Indian Trivetfish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Tripodichthys oxycephalus
Name: Indian Turbot
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Psettodes erumei
Name: Indian Turbot-Psettodes erumei
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Psettodes erumei
Name: Indian Unicornfish
Order: Perciformes
Habitat: Marine
Scientific name: Naso unicornis
Name: Indian Volute
Order: Volutidae
Habitat: Marine
Scientific name: Cymbiola nobilis
Name: Indian Wahoo
Order: Scombriformes
Habitat: Marine
Scientific name: Acanthocybium solandri
Name: Indian Wavy Grunter
Order: Perciformes
Habitat: Marine
Scientific name: Pomadasys argenteus
Name: Indian Weedfish
Order: Perciformes
Habitat: Marine
Scientific name: Heteroclinus puchellus
Name: Indian Weever
Order: Perciformes
Habitat: Marine
Scientific name: Trachinus radiatus
Name: Indian White Shrimp
Order: Decapoda
Habitat: Marine
Scientific name: Fenneropenaeus indicus
Name: Indian Yellowfin Bream
Order: Perciformes
Habitat: Marine
Scientific name: Acanthopagrus latus
Name: Indian Yellowfin Tuna
Order: Scombriformes
Habitat: Marine
Scientific name: Thunnus albacares
Name: Indiella
Order: Ophidiiformes
Habitat: Marine
Scientific name: Indiella
Name: Indo-Pacific Barbeque Fish
Order: Perciformes
Habitat: Marine
Scientific name: Nemipterus peronii
Name: Indo-Pacific Blue Marlin
Order: Istiophoriformes
Habitat: Marine
Scientific name: Makaira mazara
Name: Indo-Pacific Bonefish
Order: Albuliformes
Habitat: Marine
Scientific name: Albula glossodonta
Name: Indo-Pacific Bottlenose Dolphin
Order: Cetacea
Habitat: Marine
Scientific name: Tursiops aduncus
Name: Indo-Pacific Coral Hind
Order: Perciformes
Habitat: Marine
Scientific name: Cephalopholis miniata
Name: Indo-Pacific Croaker
Order: Perciformes
Habitat: Marine
Scientific name: Protonibea diacanthus
Name: Indo-Pacific Cubera Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus argentimaculatus
Name: Indo-Pacific Damselfish
Order: Perciformes
Habitat: Marine
Scientific name: Pomacentrus moluccensis
Name: Indo-Pacific Dolphin Fish
Order: Perciformes
Habitat: Marine
Scientific name: Coryphaena hippurus
Name: Indo-Pacific Dottyback
Order: Perciformes
Habitat: Marine
Scientific name: Pseudochromis fridmani
Name: Indo-Pacific Empire Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus rivulatus
Name: Indo-Pacific False Kelpfish
Order: Perciformes
Habitat: Marine
Scientific name: Cirripectes variolosus
Name: Indo-Pacific False Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Chlopsis apterus
Name: Indo-Pacific Finless Porpoise
Order: Cetacea
Habitat: Marine
Scientific name: Neophocaena phocaenoides
Name: Indo-Pacific Flathead
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Platycephalus indicus
Name: Indo-Pacific Flyingfish
Order: Beloniformes
Habitat: Marine
Scientific name: Cypselurus poecilopterus
Name: Indo-Pacific Frigate Mackerel
Order: Scombriformes
Habitat: Marine
Scientific name: Auxis thazard
Name: Indo-Pacific Ginglymostoma
Order: Orectolobiformes
Habitat: Marine
Scientific name: Ginglymostoma ferrugineum
Name: Indo-Pacific Greater Amberjack
Order: Carangiformes
Habitat: Marine
Scientific name: Seriola dumerili
Name: Indo-Pacific Humpback Dolphin
Order: Cetacea
Habitat: Marine
Scientific name: Sousa chinensis
Name: Indo-Pacific King Mackerel
Order: Scombriformes
Habitat: Marine
Scientific name: Scomberomorus guttatus
Name: Indo-Pacific Lawyer
Order: Gadiformes
Habitat: Marine
Scientific name: Gadella maraldi
Name: Indo-Pacific Leopard Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Triakis scyllium
Name: Indo-Pacific Mackerel Scad
Order: Carangiformes
Habitat: Marine
Scientific name: Decapterus macarellus
Name: Indo-Pacific Mako Shark
Order: Lamniformes
Habitat: Marine
Scientific name: Isurus oxyrinchus
Name: Indo-Pacific Moray Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax fimbriatus
Name: Indo-Pacific Napoleon Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Cheilinus undulatus
Name: Indo-Pacific Pipefish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Corythoichthys intestinalis
Name: Indo-Pacific Sailfish
Order: Istiophoriformes
Habitat: Marine
Scientific name: Istiophorus platypterus
Name: Indo-Pacific Sardinella
Order: Clupeiformes
Habitat: Marine
Scientific name: Sardinella longiceps
Name: Indo-Pacific Sergeant
Order: Perciformes
Habitat: Indo-Pacific
Scientific name: Abudefduf vaigiensis
Name: Indo-Pacific Shortfin Mako
Order: Lamniformes
Habitat: Marine
Scientific name: Isurus oxyrinchus
Name: Indo-Pacific Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus gibbus
Name: Indo-Pacific Spadefish
Order: Ephippiformes
Habitat: Marine
Scientific name: Platax orbicularis
Name: Indo-Pacific Spanish Mackerel
Order: Scombriformes
Habitat: Marine
Scientific name: Scomberomorus commerson
Name: Indo-Pacific Spiny Devilfish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus didactylus
Name: Indo-Pacific Tarpon
Order: Elopiformes
Habitat: Indo-Pacific
Scientific name: Megalops cyprinoides
Name: Indo-Pacific Threadfin
Order: Polynemiformes
Habitat: Marine
Scientific name: Polydactylus indicus
Name: Indo-Pacific Triggerfish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Rhinecanthus aculeatus
Name: Indo-Pacific Tuna
Order: Scombriformes
Habitat: Marine
Scientific name: Thunnus tonggol
Name: Indo-Pacific Walrus Fish
Order: Ophidiiformes
Habitat: Marine
Scientific name: Neobythites unimaculatus
Name: Indochina Barb
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Barbonymus altus
Name: Indochina Halfbeak
Order: Beloniformes
Habitat: Freshwater
Scientific name: Hemirhamphodon pogonognathus
Name: Indochinese Anchovy
Order: Clupeiformes
Habitat: Marine
Scientific name: Stolephorus indochinensis
Name: Indochinese Barbel
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Acrossocheilus indochinensis
Name: Indochinese Chameleon Goby
Order: Gobiiformes
Habitat: Freshwater
Scientific name: Chlamydogobius indochinensis
Name: Indochinese Crucian Carp
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Carassius indochinensis
Name: Indochinese False Kelpfish
Order: Perciformes
Habitat: Marine
Scientific name: Cirripectes indochinensis
Name: Indochinese Gudgeon
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Romanogobio indochinensis
Name: Indochinese Loach
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Botia indochinensis
Name: Indochinese River Shark
Order: Carcharhiniformes
Habitat: Freshwater/Brackish
Scientific name: Glyphis gangeticus
Name: Indochinese Shad
Order: Clupeiformes
Habitat: Freshwater/Brackish
Scientific name: Tenualosa thibaudeaui
Name: Indochinese Spiny Eel
Order: Synbranchiformes
Habitat: Freshwater
Scientific name: Macrognathus siamensis
Name: Indochinese Sprat
Order: Clupeiformes
Habitat: Freshwater/Brackish
Scientific name: Corica indochinensis
Name: Indochinese Tiger Barb
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Puntigrus anchisporus
Name: Indocybium
Order: Scombriformes
Habitat: Marine
Scientific name: Indocybium
Name: Indodiaphus
Order: Myctophiformes
Habitat: Marine
Scientific name: Indodiaphus
Name: Indogobius
Order: Gobiiformes
Habitat: Marine
Scientific name: Indogobius
Name: Indonesian Archerfish
Order: Perciformes
Habitat: Freshwater/Brackish
Scientific name: Toxotes jaculatrix
Name: Indonesian Bamboo Shark
Order: Orectolobiformes
Habitat: Marine
Scientific name: Chiloscyllium indicum
Name: Indonesian Barramundi
Order: Perciformes
Habitat: Freshwater/Brackish
Scientific name: Lates calcarifer
Name: Indonesian Batfish
Order: Perciformes
Habitat: Marine
Scientific name: Platax batavianus
Name: Indonesian Black Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Macolor niger
Name: Indonesian Blacktip Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Carcharhinus limbatus
Name: Indonesian Blue Spotted Ray
Order: Myliobatiformes
Habitat: Marine
Scientific name: Neotrygon kuhlii
Name: Indonesian Boxfish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Ostracion cubicus
Name: Indonesian Bubblefin Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Cheilinus trilobatus
Name: Indonesian Butterflyfish
Order: Perciformes
Habitat: Marine
Scientific name: Chaetodon auriga
Name: Indonesian Cardinalfish
Order: Perciformes
Habitat: Marine
Scientific name: Pterapogon kauderni
Name: Indonesian Catshark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Atelomycterus marmoratus
Name: Indonesian Conger Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Conger cinereus
Name: Indonesian Cuttlefish
Order: Sepiida
Habitat: Marine
Scientific name: Sepia latimanus
Name: Indonesian Damselfish
Order: Perciformes
Habitat: Marine
Scientific name: Pomacentrus alleni
Name: Indonesian Domino Damselfish
Order: Perciformes
Habitat: Marine
Scientific name: Dascyllus trimaculatus
Name: Indonesian Dottyback
Order: Perciformes
Habitat: Marine
Scientific name: Pseudochromis fuscus
Name: Indonesian Dragonet
Order: Perciformes
Habitat: Marine
Scientific name: Synchiropus splendidus
Name: Indonesian Eel
Order: Anguilliformes
Habitat: Freshwater/Brackish
Scientific name: Anguilla marmorata
Name: Indonesian Electric Ray
Order: Torpediniformes
Habitat: Marine
Scientific name: Torpedo indica
Name: Indonesian Fanfish
Order: Perciformes
Habitat: Marine
Scientific name: Goniistius zonatus
Name: Indonesian Flagtail
Order: Perciformes
Habitat: Freshwater/Brackish
Scientific name: Kuhlia rupestris
Name: Indonesian Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Pseudorhombus indosinensis
Name: Indonesian Fourline Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Paracheilinus octotaenia
Name: Indonesian Frogfish
Order: Lophiiformes
Habitat: Marine
Scientific name: Antennarius striatus
Name: Indonesian Glassfish
Order: Perciformes
Habitat: Freshwater/Brackish
Scientific name: Ambassis ambassis
Name: Indonesian Glassy Perchlet
Order: Perciformes
Habitat: Freshwater/Brackish
Scientific name: Ambassis indosinensis
Name: Indonesian Goatfish
Order: Perciformes
Habitat: Marine
Scientific name: Parupeneus indicus
Name: Indonesian Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Gobiodon okinawae
Name: Indonesian Grey Mullet
Order: Mugiliformes
Habitat: Marine/Brackish
Scientific name: Mugil indosinensis
Name: Indonesian Grouper
Order: Perciformes
Habitat: Marine
Scientific name: Epinephelus fuscoguttatus
Name: Indonesian Grunter
Order: Perciformes
Habitat: Marine
Scientific name: Pomadasys argenteus
Name: Indonesian Guitarfish
Order: Rhinopristiformes
Habitat: Marine
Scientific name: Rhinobatos hynnicephalus
Name: Indonesian Halfbeak
Order: Beloniformes
Habitat: Marine
Scientific name: Hemiramphus far
Name: Indonesian Hawkfish
Order: Perciformes
Habitat: Marine
Scientific name: Paracirrhites forsteri
Name: Indonesian Houndshark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Mustelus manazo
Name: Indonesian Humphead Parrotfish
Order: Perciformes
Habitat: Marine
Scientific name: Bolbometopon muricatum
Name: Indonesian Lanternfish
Order: Myctophiformes
Habitat: Marine
Scientific name: Diaphus watasei
Name: Indonesian Leopard Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax kidako
Name: Indonesian Leopard Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Triakis scyllium
Name: Indonesian Leopard Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Macropharyngodon meleagris
Name: Indonesian Lizardfish
Order: Aulopiformes
Habitat: Marine
Scientific name: Synodus indicus
Name: Indonesian Mackerel
Order: Scombriformes
Habitat: Marine
Scientific name: Rastrelliger brachysoma
Name: Indonesian Mojarra
Order: Perciformes
Habitat: Marine/Brackish
Scientific name: Gerres indicus
Name: Indonesian Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax fimbriatus
Name: Indonesian Napoleon Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Cheilinus undulatus
Name: Indonesian Needlefish
Order: Beloniformes
Habitat: Marine
Scientific name: Strongylura indosinensis
Name: Indonesian Nudibranch
Order: Nudibranchia
Habitat: Marine
Scientific name: Chromodoris magnifica
Name: Indonesian Parrotfish
Order: Perciformes
Habitat: Marine
Scientific name: Chlorurus sordidus
Name: Indonesian Pineapplefish
Order: Beryciformes
Habitat: Marine
Scientific name: Cleidopus gloriamaris
Name: Indonesian Pipefish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Corythoichthys intestinalis
Name: Indonesian Puffer
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Arothron stellatus
Name: Indonesian Pufferfish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Lagocephalus indicus
Name: Indonesian Queenfish
Order: Carangiformes
Habitat: Marine
Scientific name: Scomberoides commersonnianus
Name: Indonesian Rabbitfish
Order: Perciformes
Habitat: Marine
Scientific name: Siganus spinus
Name: Indonesian Razorfish
Order: Perciformes
Habitat: Marine
Scientific name: Xyrichtys novacula
Name: Indonesian Reef Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Carcharhinus amblyrhynchos
Name: Indonesian Remora
Order: Perciformes
Habitat: Marine
Scientific name: Echeneis naucrates
Name: Indonesian Rock Cod
Order: Perciformes
Habitat: Marine
Scientific name: Epinephelus malabaricus
Name: Indonesian Ruby Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Etelis carbunculus
Name: Indonesian Sand Goby
Order: Perciformes
Habitat: Marine
Scientific name: Oxyurichthys papuensis
Name: Indonesian Sandperch
Order: Perciformes
Habitat: Marine
Scientific name: Parapercis cylindrica
Name: Indonesian Sardine
Order: Clupeiformes
Habitat: Marine
Scientific name: Sardinella indosinensis
Name: Indonesian Sawbelly
Order: Perciformes
Habitat: Freshwater
Scientific name: Pristolepis fasciata
Name: Indonesian Scorpionfish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Scorpaenopsis gibbosa
Name: Indonesian Sea Snake
Order: Hydrophiinae
Habitat: Marine
Scientific name: Laticauda colubrina
Name: Indonesian Seabass
Order: Perciformes
Habitat: Freshwater/Brackish/Marine
Scientific name: Lates calcarifer
Name: Indonesian Seal Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Petroscirtes indica
Name: Indonesian Seamoth
Order: Pegasiformes
Habitat: Marine
Scientific name: Pegasus lancifer
Name: Indonesian Seamouth
Order: Aulopiformes
Habitat: Marine
Scientific name: Bathypterois longicauda
Name: Indonesian Sharkfin Ray
Order: Rhinopristiformes
Habitat: Marine
Scientific name: Rhina ancylostoma
Name: Indonesian Shortnose Unicornfish
Order: Perciformes
Habitat: Marine
Scientific name: Naso brevirostris
Name: Indonesian Silverside
Order: Atheriniformes
Habitat: Marine
Scientific name: Atherinomorus lacunosus
Name: Indonesian Snake Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Ophichthus indicus
Name: Indonesian Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus fulvus
Name: Indonesian Sole
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Solea ovata
Name: Indonesian Spadefish
Order: Perciformes
Habitat: Marine
Scientific name: Platax boersii
Name: Indonesian Spinefoot
Order: Perciformes
Habitat: Marine
Scientific name: Siganus javus
Name: Indonesian Spiny Lobster
Order: Decapoda
Habitat: Marine
Scientific name: Panulirus penyaladi
Name: Indonesian Spotted Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax isingletus
Name: Indonesian Squirrelfish
Order: Beryciformes
Habitat: Marine
Scientific name: Sargocentron rubrum
Name: Indonesian Stargazer
Order: Perciformes
Habitat: Marine
Scientific name: Uranoscopus bicinctus
Name: Indonesian Stingray
Order: Myliobatiformes
Habitat: Marine
Scientific name: Dasyatis undulata
Name: Indonesian Stonefish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Synanceia horrida
Name: Indonesian Surgeonfish
Order: Perciformes
Habitat: Marine
Scientific name: Acanthurus leucosternon
Name: Indonesian Sweetlips
Order: Perciformes
Habitat: Marine
Scientific name: Plectorhinchus lineatus
Name: Indonesian Tilefish
Order: Perciformes
Habitat: Marine
Scientific name: Malacanthus brevirostris
Name: Indonesian Triggerfish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Sufflamen bursa
Name: Indonesian Yellowtail Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus johnii
Name: Indonesian Zeus
Order: Zeiformes
Habitat: Marine
Scientific name: Zeus faber
Name: Indostomus crocodilus
Order: Syngnathiformes
Habitat: Freshwater
Scientific name: Indostomus crocodilus
Name: Indostomus fuscus
Order: Syngnathiformes
Habitat: Freshwater
Scientific name: Indostomus fuscus
Name: Indostomus paradoxus
Order: Syngnathiformes
Habitat: Freshwater
Scientific name: Indostomus paradoxus
Name: Indostomus spinosa
Order: Indostomiformes
Habitat: Freshwater
Scientific name: Indostomus spinosa
Name: Indostomus spinosus
Order: Syngnathiformes
Habitat: Freshwater
Scientific name: Indostomus spinosus
Name: Indriscus longirostris
Order: Characiformes
Habitat: Freshwater
Scientific name: Indriscus longirostris
Name: Induced Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Halichoeres marginatus
Name: Inermia vittata
Order: Perciformes
Habitat: Marine
Scientific name: Inermia vittata
Name: Inermiidae
Order: Perciformes
Habitat: Marine
Scientific name: Inermiidae
Name: Infanta Anthias
Order: Perciformes
Habitat: Marine
Scientific name: Pseudanthias infanta
Name: Infanta Damselfish
Order: Perciformes
Habitat: Marine
Scientific name: Chromis infanta
Name: Infaunal Worm Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Bascanichthys bascanium
Name: Infernal Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax infernalis
Name: Infrared Conger Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Conger conger
Name: Infravomer longiceps
Order: Perciformes
Habitat: Marine (extinct)
Scientific name: Infravomer longiceps
Name: Ingerichthys macrops
Order: Lophiiformes
Habitat: Marine
Scientific name: Ingerichthys macrops
Name: Ingerichthys marleyi
Order: Siluriformes
Habitat: Freshwater
Scientific name: Ingerichthys marleyi
Name: Ingeromimus barbulatus
Order: Siluriformes
Habitat: Freshwater
Scientific name: Ingeromimus barbulatus
Name: Ingolfiella abyssi
Order: Amphipoda
Habitat: Marine
Scientific name: Ingolfiella abyssi
Name: Ingolfiella mirabilis
Order: Amphipoda
Habitat: Marine
Scientific name: Ingolfiella mirabilis
Name: Inhabitant Grouper
Order: Perciformes
Habitat: Marine
Scientific name: Epinephelus microdon
Name: Inia geoffrensis
Order: Cetacea
Habitat: Freshwater
Scientific name: Inia geoffrensis
Name: Iniistius bimaculatus
Order: Perciformes
Habitat: Marine
Scientific name: Iniistius bimaculatus
Name: Iniistius celebicus
Order: Perciformes
Habitat: Marine
Scientific name: Iniistius celebicus
Name: Iniistius cyanopleura
Order: Labriformes
Habitat: Marine
Scientific name: Iniistius cyanopleura
Name: Iniistius deborah
Order: Labriformes
Habitat: Marine
Scientific name: Iniistius deborah
Name: Iniistius evides
Order: Labriformes
Habitat: Marine
Scientific name: Iniistius evides
Name: Iniistius geisha
Order: Labriformes
Habitat: Marine
Scientific name: Iniistius geisha
Name: Iniistius geoffroy
Order: Perciformes
Habitat: Marine
Scientific name: Iniistius geoffroy
Name: Iniistius griffithsi
Order: Perciformes
Habitat: Marine
Scientific name: Iniistius griffithsi
Name: Iniistius jacksonensis
Order: Perciformes
Habitat: Marine
Scientific name: Iniistius jacksonensis
Name: Iniistius leslieae
Order: Perciformes
Habitat: Marine
Scientific name: Iniistius leslieae
Name: Iniistius leucozonus
Order: Labriformes
Habitat: Marine
Scientific name: Iniistius leucozonus
Name: Iniistius melanopus
Order: Labriformes
Habitat: Marine
Scientific name: Iniistius melanopus
Name: Iniistius microps
Order: Labriformes
Habitat: Marine
Scientific name: Iniistius microps
Name: Iniistius opalus
Order: Perciformes
Habitat: Marine
Scientific name: Iniistius opalus
Name: Iniistius pavo
Order: Labriformes
Habitat: Marine
Scientific name: Iniistius pavo
Name: Iniistius pentadactylus
Order: Perciformes
Habitat: Marine
Scientific name: Iniistius pentadactylus
Name: Iniistius spilonotus
Order: Perciformes
Habitat: Marine
Scientific name: Iniistius spilonotus
Name: Iniistius trivittatus
Order: Perciformes
Habitat: Marine
Scientific name: Iniistius trivittatus
Name: Iniistius twistii
Order: Perciformes
Habitat: Marine
Scientific name: Iniistius twistii
Name: Iniistius verrens
Order: Perciformes
Habitat: Marine
Scientific name: Iniistius verrens
Name: Inimegodaia gobioides
Order: Perciformes
Habitat: Marine
Scientific name: Inimicus didactylus
Name: Inimicus armatus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus armatus
Name: Inimicus brachyrhynchus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus brachyrhynchus
Name: Inimicus caledonicus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus caledonicus
Name: Inimicus cuvieri
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus cuvieri
Name: Inimicus didactylus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus didactylus
Name: Inimicus filamentosus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus filamentosus
Name: Inimicus grallator
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus grallator
Name: Inimicus gruveli
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus gruveli
Name: Inimicus japonensis
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus japonensis
Name: Inimicus japonicus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus japonicus
Name: Inimicus joubini
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus joubini
Name: Inimicus sinensis
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus sinensis
Name: Inimicus smirnovi
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus smirnovi
Name: Inimicus snyderi
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus snyderi
Name: Inimicus taylori
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus taylori
Name: Inimicus thomsoni
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Inimicus thomsoni
Name: Iniomi
Order: Aulopiformes
Habitat: Marine
Scientific name: Iniomi
Name: Inius fuscus
Order: Perciformes
Habitat: Marine
Scientific name: Inimicus didactylus
Name: Inka Stonefish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Synanceia horrida
Name: Inka clarkae
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Inka clarkae
Name: Inkfish
Order: Not a fish
Habitat: Marine
Scientific name: Cephalopoda
Name: Innocent Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Chasmodes innocens
Name: Inocopterus
Order: Perciformes
Habitat: Marine
Scientific name: Inocopterus
Name: Inopsetta ischyra
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Inopsetta ischyra
Name: Inpaichthys kerri
Order: Characiformes
Habitat: Freshwater
Scientific name: Inpaichthys kerri
Name: Inquire Stingray
Order: Myliobatiformes
Habitat: Brackish
Scientific name: Dasyatis fluviorum
Name: Inquisitor flavicanthus
Order: Clupeiformes
Habitat: Marine
Scientific name: Inquisitor flavicanthus
Name: Inshore Lizardfish
Order: Aulopiformes
Habitat: Western Atlantic
Scientific name: Synodus foetens
Name: Inshore Queenfish
Order: Carangiformes
Habitat: Marine
Scientific name: Scomberoides commersonnianus
Name: Inshore Reef Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Gobiodon rivulatus
Name: Inshore Rockfish
Order: Perciformes
Habitat: Marine
Scientific name: Sebastes mystinus
Name: Inshore Squid
Order: Teuthida
Habitat: Marine
Scientific name: Loligo pealeii
Name: Inshore Turbot
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Platichthys stellatus
Name: Insidiator
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Insidiator
Name: Insidiator barbatus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Insidiator barbatus
Name: Insidiator exiguus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Insidiator exiguus
Name: Insidiator neglectus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Insidiator neglectus
Name: Insidiator rodericensis
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Insidiator rodericensis
Name: Insignia Cardinalfish
Order: Perciformes
Habitat: Marine
Scientific name: Apogon lachneri
Name: Insignia Sandperch
Order: Perciformes
Habitat: Marine
Scientific name: Parapercis signata
Name: Insignia Snake Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Ophichthus insignia
Name: Insitor labronasus
Order: Characiformes
Habitat: Freshwater
Scientific name: Insitor labronasus
Name: Insolent Anglerfish
Order: Lophiiformes
Habitat: Marine
Scientific name: Lophius piscatorius
Name: Insular Cardinalfish
Order: Perciformes
Habitat: Marine
Scientific name: Apogon insulensis
Name: Insular Damselfish
Order: Perciformes
Habitat: Marine
Scientific name: Chromis insularis
Name: Insular Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Crossorhombus insularis
Name: Insular Goatfish
Order: Perciformes
Habitat: Marine
Scientific name: Upeneus insularis
Name: Insular Grubfish
Order: Perciformes
Habitat: Marine
Scientific name: Parapercis insularis
Name: Insular Pipefish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Ichthyocampus insularis
Name: Insular Sanddiver
Order: Perciformes
Habitat: Marine
Scientific name: Trichonotus insularum
Name: Integerrima Damselfish
Order: Perciformes
Habitat: Marine
Scientific name: Pomacentrus integerrimus
Name: Integripelta
Order: Clupeiformes
Habitat: Marine
Scientific name: Integripelta
Name: Intermediate Barb
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Barbodes gonionotus
Name: Intermediate Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Entomacrodus intermedius
Name: Intermediate Damselfish
Order: Perciformes
Habitat: Marine
Scientific name: Pomacentrus intermedius
Name: Intermediate Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Paralichthys dentatus
Name: Intermediate Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax intermedius
Name: Intermediate Silverside
Order: Atheriniformes
Habitat: Marine
Scientific name: Atherinomorus insularum
Name: Intermediate Sole
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Solea intermedius
Name: Intermediate Spikefish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Triacanthus biaculeatus
Name: Intermedius Lizardfish
Order: Aulopiformes
Habitat: Marine
Scientific name: Synodus intermedius
Name: International Grunt
Order: Perciformes
Habitat: Marine
Scientific name: Pomadasys incisus
Name: Intertidal Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Lipophrys pholis
Name: Inthaia dabryi
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Inthaia dabryi
Name: Intonsa
Order: Gadiformes
Habitat: Marine
Scientific name: Intonsa
Name: Intonsus Brotula
Order: Ophidiiformes
Habitat: Marine
Scientific name: Barathronus intonsus
Name: Invercargill Leatherjacket
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Meuschenia scaber
Name: Investigator Gurnard
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Pterygotrigla investigatoris
Name: Investigator Snake Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Ophichthus investigatoris
Name: Invisigobius baliomus
Order: Gobiiformes
Habitat: Marine
Scientific name: Invisigobius baliomus
Name: Invisigobius cinctus
Order: Gobiiformes
Habitat: Marine
Scientific name: Invisigobius cinctus
Name: Iohaniella abyssicola
Order: Perciformes
Habitat: Marine
Scientific name: Iohaniella abyssicola
Name: Iotabrycon
Order: Characiformes
Habitat: Freshwater
Scientific name: Iotabrycon
Name: Iotabrycon praecox
Order: Characiformes
Habitat: Freshwater
Scientific name: Iotabrycon praecox
Name: Iowa Darter
Order: Perciformes
Habitat: North America
Scientific name: Etheostoma exile
Name: Iphiclides podalirius
Order: Lepidoptera
Habitat: Terrestrial (Larval stage aquatic)
Scientific name: Iphiclides podalirius
Name: Ira's Dragonet
Order: Perciformes
Habitat: Marine
Scientific name: Synchiropus iracundus
Name: Iracema horrida
Order: Synbranchiformes
Habitat: Freshwater
Scientific name: Iracema horrida
Name: Irambilichthys
Order: Perciformes
Habitat: Marine
Scientific name: Irambilichthys
Name: Iranocichla hormuzensis
Order: Cichliformes
Habitat: Freshwater
Scientific name: Iranocichla hormuzensis
Name: Iranocichla persa
Order: Cichliformes
Habitat: Freshwater
Scientific name: Iranocichla persa
Name: Iraqi Lizardfish
Order: Aulopiformes
Habitat: Marine
Scientific name: Saurida tumbil
Name: Iravadi Dolphin
Order: Cetacea
Habitat: Brackish/Marine
Scientific name: Orcaella brevirostris
Name: Iredaleichthys lischeae
Order: Perciformes
Habitat: Marine
Scientific name: Iredaleichthys lischeae
Name: Ireto
Order: Perciformes
Habitat: Marine
Scientific name: Ireto
Name: Iridescent Shark
Order: Siluriformes
Habitat: Southeast Asia
Scientific name: Pangasianodon hypophthalmus
Name: Iridio
Order: Labriformes
Habitat: Marine
Scientific name: Iridio
Name: Iridophanes
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Iridophanes
Name: Irineia
Order: Siluriformes
Habitat: Freshwater
Scientific name: Irineia
Name: Irinolabeo mesopotamicus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Irinolabeo mesopotamicus
Name: Iris Cichlid
Order: Cichliformes
Habitat: Freshwater
Scientific name: Thorichthys aureus
Name: Ironclad Betta
Order: Anabantiformes
Habitat: Freshwater
Scientific name: Betta enisae
Name: Ironclad Catfish
Order: Siluriformes
Habitat: Freshwater
Scientific name: Oxydoras niger
Name: Ironjaw Threadfin Bream
Order: Perciformes
Habitat: Marine
Scientific name: Nemipterus peronii
Name: Ironwood Darter
Order: Perciformes
Habitat: Freshwater
Scientific name: Etheostoma jessiae
Name: Irukandji
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Carcharhinus leucas
Name: Irvine Barbel
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Barbus irvinensis
Name: Isabel Reef Grouper
Order: Perciformes
Habitat: Marine
Scientific name: Epinephelus corallicola
Name: Isabel's Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Cirrhilabrus isabellae
Name: Isabelia
Order: Gastropoda
Habitat: Marine
Scientific name: Isabelia isabella
Name: Isabelita
Order: Perciformes
Habitat: Marine
Scientific name: Holacanthus ciliaris
Name: Isaki
Order: Perciformes
Habitat: Marine
Scientific name: Parapristipoma trilineatum
Name: Isaza
Order: Perciformes
Habitat: Freshwater
Scientific name: Gymnogobius isaza
Name: Ischnacanthidae
Order: Acanthodii
Habitat: Fossil Freshwater/Marine
Scientific name: Ischnacanthidae
Name: Ischnacanthus griggsi
Order: Acanthodii
Habitat: Freshwater (fossil)
Scientific name: Ischnacanthus griggsi
Name: Ischnochiton textilis
Order: Chitonida
Habitat: Marine
Scientific name: Ischnochiton textilis
Name: Ischnomylus
Order: Gadiformes
Habitat: Marine
Scientific name: Ischnomylus
Name: Ischnomylus obscurus
Order: Percomorpha
Habitat: Marine
Scientific name: Ischnomylus obscurus
Name: Ischnopsetta
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Ischnopsetta triocellata
Name: Ischnopsis
Order: Perciformes
Habitat: Marine
Scientific name: Ischnopsis
Name: Ischnopsis rhabdomi
Order: Perciformes
Habitat: Marine
Scientific name: Ischnopsis rhabdomi
Name: Ischyroconger
Order: Anguilliformes
Habitat: Marine
Scientific name: Ischyroconger
Name: Isichthys henryi
Order: Osteoglossiformes
Habitat: Freshwater
Scientific name: Isichthys henryi
Name: Isistius brasiliensis
Order: Squaliformes
Habitat: Marine
Scientific name: Isistius brasiliensis
Name: Isistius labialis
Order: Squaliformes
Habitat: Marine
Scientific name: Isistius labialis
Name: Isistius microdontus
Order: Squaliformes
Habitat: Marine
Scientific name: Isistius microdontus
Name: Isistius plutodus
Order: Squaliformes
Habitat: Marine
Scientific name: Isistius plutodus
Name: Island Pipefish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Syngnathus acus
Name: Island Trevally
Order: Carangiformes
Habitat: Indo-Pacific
Scientific name: Carangoides orthogrammus
Name: Islands Glassfish
Order: Perciformes
Habitat: Freshwater
Scientific name: Chanda nama
Name: Iso
Order: Atheriniformes
Habitat: Marine
Scientific name: Iso
Name: Isocarassius praecursor
Order: Cypriniformes
Habitat: Freshwater (fossil)
Scientific name: Isocarassius praecursor
Name: Isocheles
Order: Perciformes
Habitat: Marine
Scientific name: Isocheles
Name: Isoclinus
Order: Perciformes
Habitat: Marine
Scientific name: Isoclinus
Name: Isocynus
Order: Characiformes
Habitat: Freshwater
Scientific name: Isocynus
Name: Isoglossa delicata
Order: Perciformes
Habitat: Marine
Scientific name: Isoglossa delicata
Name: Isogomphodon oxyrhynchus
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Isogomphodon oxyrhynchus
Name: Isohalichores bleekeri
Order: Perciformes
Habitat: Marine
Scientific name: Isohalichores bleekeri
Name: Isolux piscator
Order: Myliobatiformes
Habitat: Marine
Scientific name: Rhinoptera javanica
Name: Isoma
Order: Perciformes
Habitat: Marine
Scientific name: Isoma
Name: Isomias
Order: Perciformes
Habitat: Marine
Scientific name: Isomias
Name: Isopogon
Order: Perciformes
Habitat: Marine
Scientific name: Isopogon
Name: Isopogon axillaris
Order: Perciformes
Habitat: Marine
Scientific name: Isopogon axillaris
Name: Isopsetta isolepis
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Isopsetta isolepis
Name: Isosceles
Order: Perciformes
Habitat: Marine
Scientific name: Isosceles
Name: Isoshyngna filiformis
Order: Syngnathiformes
Habitat: Marine
Scientific name: Isoshyngna filiformis
Name: Isoshyngna leptocephala
Order: Syngnathiformes
Habitat: Marine
Scientific name: Isoshyngna leptocephala
Name: Isoshyngna obtusirostris
Order: Syngnathiformes
Habitat: Marine
Scientific name: Isoshyngna obtusirostris
Name: Isospondyli
Order: Clupeiformes
Habitat: Marine/Freshwater
Scientific name: Isospondyli
Name: Israeli Carp
Order: Cypriniformes
Habitat: Israel (a breed of common carp)
Scientific name: Cyprinus carpio
Name: Istigobius
Order: Gobiiformes
Habitat: Marine
Scientific name: Istigobius
Name: Istiompax indica
Order: Istiophoriformes
Habitat: Marine
Scientific name: Istiompax indica
Name: Istiophorus platypterus
Order: Istiophoriformes
Habitat: Marine
Scientific name: Istiophorus platypterus
Name: Isurichthys microlepis
Order: Aulopiformes
Habitat: Marine
Scientific name: Isurichthys microlepis
Name: Ityphlos squamosus
Order: Syngnathiformes
Habitat: Marine
Scientific name: Ityphlos squamosus
Name: Ivana fish
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Pleuronectes platessa
Name: Ivanaia
Order: Perciformes
Habitat: Freshwater
Scientific name: Ivanaia strigata
Name: Ive's Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Gobiodon rivulatus
Name: Ivory Brotula
Order: Ophidiiformes
Habitat: Marine
Scientific name: Brotula clarkae
Name: Ivory Coral Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Gobiodon albonuchalis
Name: Iwamoto's Anglerfish
Order: Lophiiformes
Habitat: Marine
Scientific name: Lophiomus setigerus
Name: Iwatella
Order: Perciformes
Habitat: Marine
Scientific name: Iwatella naga
Name: Ixora brevirhamphus
Order: Acanthuriformes
Habitat: Marine
Scientific name: Ixora brevirhamphus
| Name | Order | Habitat | Scientific name |
|---|---|---|---|
| Iago garricki | Carcharhiniformes | Marine | Iago garricki |
| Iago omanensis | Carcharhiniformes | Marine | Iago omanensis |
| Iago spina | Carcharhiniformes | Marine | Iago spina |
| Iago zuluensis | Carcharhiniformes | Marine | Iago zuluensis |
| Iago's Skate | Rajiformes | Marine | Raja iago |
| Ibacus alticrenatus | Decapoda | Marine | Ibacus alticrenatus |
| Ibacus brevipes | Decapoda | Marine | Ibacus brevipes |
| Ibacus brucei | Decapoda | Marine | Ibacus brucei |
| Ibacus chacei | Decapoda | Marine | Ibacus chacei |
| Ibacus ciliatus | Decapoda | Marine | Ibacus ciliatus |
| Ibacus novaezealandiae | Decapoda | Marine | Ibacus novaezealandiae |
| Ibacus novemdentatus | Decapoda | Marine | Ibacus novemdentatus |
| Ibacus peronii | Decapoda | Marine | Ibacus peronii |
| Ibaragobius iwatae | Gobiiformes | Freshwater | Ibaragobius iwatae |
| Ibarra's Cardinalfish | Perciformes | Marine | Apogon ibarrae |
| Iberi Barbel | Cypriniformes | Freshwater | Barbus comizo |
| Iberian Barbel | Cypriniformes | Freshwater | Luciobarbus bocagei |
| Iberian Chub | Cypriniformes | Freshwater | Squalius pyrenaicus |
| Iberian Gudgeon | Cypriniformes | Freshwater | Gobio lozanoi |
| Iberian Nase | Cypriniformes | Freshwater | Chondrostoma polylepis |
| Iberian Roach | Cypriniformes | Freshwater | Rutilus alburnoides |
| Iberian Spined Loach | Cypriniformes | Freshwater | Cobitis paludica |
| Icefish | Perciformes | Southern Ocean | Channichthyidae |
| Icelinus borealis | Scorpaeniformes | Marine | Icelinus borealis |
| Icelinus cavifrons | Scorpaeniformes | Marine | Icelinus cavifrons |
| Icelinus filamentosus | Scorpaeniformes | Marine | Icelinus filamentosus |
| Icelinus fimbriatus | Scorpaeniformes | Marine | Icelinus fimbriatus |
| Icelinus hancocki | Scorpaeniformes | Marine | Icelinus hancocki |
| Icelinus oculatus | Scorpaeniformes | Marine | Icelinus oculatus |
| Icelinus quadriseriatus | Scorpaeniformes | Marine | Icelinus quadriseriatus |
| Icelinus strabo | Scorpaeniformes | Marine | Icelinus strabo |
| Icelinus tenuis | Scorpaeniformes | Marine | Icelinus tenuis |
| Icelus armatus | Scorpaeniformes | Marine | Icelus armatus |
| Icelus bicornis | Scorpaeniformes | Marine | Icelus bicornis |
| Icelus euryops | Scorpaeniformes | Marine | Icelus euryops |
| Icelus masuzoi | Scorpaeniformes | Marine | Icelus masuzoi |
| Icelus ochotensis | Scorpaeniformes | Marine | Icelus ochotensis |
| Icelus spatula | Scorpaeniformes | Marine | Icelus spatula |
| Icelus spiniger | Scorpaeniformes | Marine | Icelus spiniger |
| Icelus stenosomus | Scorpaeniformes | Marine | Icelus stenosomus |
| Icelus uncinalis | Scorpaeniformes | Marine | Icelus uncinalis |
| Ichnusa Seadevil | Lophiiformes | Marine | Centrophryne ichnusa |
| Ichthyacanthus | Acanthuriformes | Marine | Ichthyacanthus |
| Ichthyborus besse | Characiformes | Freshwater | Ichthyborus besse |
| Ichthyborus congolensis | Characiformes | Freshwater | Ichthyborus congolensis |
| Ichthyborus monodi | Characiformes | Freshwater | Ichthyborus monodi |
| Ichthyborus ornatus | Characiformes | Freshwater | Ichthyborus ornatus |
| Ichthyborus quadrilineatus | Characiformes | Freshwater | Ichthyborus quadrilineatus |
| Ichthyocampus bikiniensis | Syngnathiformes | Marine | Ichthyocampus bikiniensis |
| Ichthyocampus carce | Syngnathiformes | Marine/Brackish | Ichthyocampus carce |
| Ichthyocampus hubbsi | Syngnathiformes | Marine | Ichthyocampus hubbsi |
| Ichthyococcus elongatus | Stomiiformes | Marine | Ichthyococcus elongatus |
| Ichthyococcus intermedius | Stomiiformes | Marine | Ichthyococcus intermedius |
| Ichthyococcus irregularis | Stomiiformes | Marine | Ichthyococcus irregularis |
| Ichthyococcus longipinnis | Stomiiformes | Marine | Ichthyococcus longipinnis |
| Ichthyococcus ovatus | Stomiiformes | Marine | Ichthyococcus ovatus |
| Ichthyococcus polla | Stomiiformes | Marine | Ichthyococcus polla |
| Ichthyoconger caudalis | Anguilliformes | Marine | Ichthyoconger caudalis |
| Ichthyoconger gracilis | Anguilliformes | Marine | Ichthyoconger gracilis |
| Ichthyoconger vicinalis | Anguilliformes | Marine | Ichthyoconger vicinalis |
| Ichthyoelephas barbatus | Characiformes | Freshwater | Ichthyoelephas barbatus |
| Ichthyoelephas longirostris | Cypriniformes | Freshwater | Ichthyoelephas longirostris |
| Ichthyoelephas mariposa | Characiformes | Freshwater | Ichthyoelephas mariposa |
| Ichthyoelephas pachycheilus | Characiformes | Freshwater | Ichthyoelephas pachycheilus |
| Ichthyoelephas patalo | Characiformes | Freshwater | Ichthyoelephas patalo |
| Ichthyoelephas patens | Cypriniformes | Freshwater | Ichthyoelephas patens |
| Ichthyoelephas pearsei | Characiformes | Freshwater | Ichthyoelephas pearsei |
| Ichthyomugil mugil | Mugiliformes | Marine | Ichthyomugil mugil |
| Ichthyophilus cornutus | Characiformes | Freshwater | Ichthyophilus cornutus |
| Ichthyophis bannanicus | Gymnophiona | Freshwater | Ichthyophis bannanicus |
| Ichthyophis beddomei | Ichthyophiidae | Freshwater | Ichthyophis beddomei |
| Ichthyophis biangularis | Ichthyophiidae | Freshwater | Ichthyophis biangularis |
| Ichthyophis billitonensis | Ichthyophiidae | Freshwater | Ichthyophis billitonensis |
| Ichthyophis bombayensis | Ichthyophiidae | Freshwater | Ichthyophis bombayensis |
| Ichthyophis bourreti | Ichthyophiidae | Freshwater | Ichthyophis bourreti |
| Ichthyophis channabassamensis | Ichthyophiidae | Freshwater | Ichthyophis channabassamensis |
| Ichthyophis daribokensis | Ichthyophiidae | Freshwater | Ichthyophis daribokensis |
| Ichthyophis davidi | Ichthyophiidae | Freshwater | Ichthyophis davidi |
| Ichthyophis dulitensis | Ichthyophiidae | Freshwater | Ichthyophis dulitensis |
| Ichthyophis elongatus | Ichthyophiidae | Freshwater | Ichthyophis elongatus |
| Ichthyophis garoensis | Ichthyophiidae | Freshwater | Ichthyophis garoensis |
| Ichthyophis glandulosus | Ichthyophiidae | Freshwater | Ichthyophis glandulosus |
| Ichthyophis hypocyaneus | Ichthyophiidae | Freshwater | Ichthyophis hypocyaneus |
| Ichthyophis javanicus | Ichthyophiidae | Freshwater | Ichthyophis javanicus |
| Ichthyophis kodaguensis | Ichthyophiidae | Freshwater | Ichthyophis kodaguensis |
| Ichthyophis kohtaoensis | Ichthyophiidae | Freshwater | Ichthyophis kohtaoensis |
| Ichthyophis melleri | Ichthyophiidae | Freshwater | Ichthyophis melleri |
| Ichthyophis mindanaoensis | Ichthyophiidae | Freshwater | Ichthyophis mindanaoensis |
| Ichthyophis monochrous | Ichthyophiidae | Freshwater | Ichthyophis monochrous |
| Ichthyophis orthoplicatus | Ichthyophiidae | Freshwater | Ichthyophis orthoplicatus |
| Ichthyophis paucidentulus | Ichthyophiidae | Freshwater | Ichthyophis paucidentulus |
| Ichthyophis petersii | Ichthyophiidae | Freshwater | Ichthyophis petersii |
| Ichthyophis rubricaudis | Ichthyophiidae | Freshwater | Ichthyophis rubricaudis |
| Ichthyophis sculpturatus | Ichthyophiidae | Freshwater | Ichthyophis sculpturatus |
| Ichthyophis sentosae | Ichthyophiidae | Freshwater | Ichthyophis sentosae |
| Ichthyophis seramensis | Ichthyophiidae | Freshwater | Ichthyophis seramensis |
| Ichthyophis sikkimensis | Ichthyophiidae | Freshwater | Ichthyophis sikkimensis |
| Ichthyophis singaporensis | Ichthyophiidae | Freshwater | Ichthyophis singaporensis |
| Ichthyophis tricolor | Ichthyophiidae | Freshwater | Ichthyophis tricolor |
| Ichthyophis weberi | Ichthyophiidae | Freshwater | Ichthyophis weberi |
| Ichthyophis youngorum | Ichthyophiidae | Freshwater | Ichthyophis youngorum |
| Ichthyscopus barbatus | Perciformes | Marine | Ichthyscopus barbatus |
| Ichthyscopus fasciatus | Perciformes | Marine | Ichthyscopus fasciatus |
| Ichthyscopus lebeck | Perciformes | Marine | Ichthyscopus lebeck |
| Ichthyscopus nigripinnis | Perciformes | Marine | Ichthyscopus nigripinnis |
| Ichthyscopus spinosus | Perciformes | Marine | Ichthyscopus spinosus |
| Icichthys lockingtoni | Scombriformes | Marine | Icichthys lockingtoni |
| Icosteus aenigmaticus | Perciformes | Marine | Icosteus aenigmaticus |
| Icotea punctata | Siluriformes | Freshwater | Icotea punctata |
| Icticus glaber | Scombriformes | Marine | Icticus glaber |
| Ida's Moray Eel | Anguilliformes | Marine | Gymnothorax idae |
| Ide | Cypriniformes | Europe and Asia | Leuciscus idus |
| Ide Dwarf Barbel | Cypriniformes | Freshwater | Puntius idei |
| Idema's Goby | Gobiiformes | Marine | Stonogobiops idema |
| Idiacanth | Stomiiformes | Marine | Idiacanthus fasciola |
| Idiacanthidae | Stomiiformes | Marine | Idiacanthus antrostomus |
| Idiacanthus antrostomus | Stomiiformes | Marine | Idiacanthus antrostomus |
| Idiacanthus atlanticus | Stomiiformes | Marine | Idiacanthus atlanticus |
| Idiacanthus caeruleus | Stomiiformes | Marine | Idiacanthus caeruleus |
| Idiacanthus fasciola | Stomiiformes | Marine | Idiacanthus fasciola |
| Idiacanthus niger | Stomiiformes | Marine | Idiacanthus niger |
| Idiacanthus richardsoni | Stomiiformes | Marine | Idiacanthus richardsoni |
| Idiacanthus spinosus | Stomiiformes | Marine | Idiacanthus spinosus |
| Idiacanthus umbrinus | Stomiiformes | Marine | Idiacanthus umbrinus |
| Idiacanthus weissmanni | Stomiiformes | Marine | Idiacanthus weissmanni |
| Idioblennius | Blenniiformes | Marine | Idioblennius |
| Idiobrotula | Ophidiiformes | Marine | Idiobrotula |
| Idioclinus | Blenniiformes | Marine | Idioclinus |
| Idionyx | Odonata | Freshwater | Idionyx |
| Idioscopus | Hemiptera | Freshwater | Idioscopus |
| Idiotrochus | Scleractinia | Marine | Idiotrochus |
| Idiotropiscis aculeata | Syngnathiformes | Marine | Idiotropiscis aculeata |
| Idiotropiscis australe | Syngnathiformes | Marine | Idiotropiscis australe |
| Idiotropiscis larsonae | Syngnathiformes | Marine | Idiotropiscis larsonae |
| Idiotropiscis lumnitzeri | Syngnathiformes | Marine | Idiotropiscis lumnitzeri |
| Idol's Goatfish | Perciformes | Marine | Parupeneus jansenii |
| Idolmaton | Decapoda | Marine | Idolmaton |
| Idoma's Pipefish | Syngnathiformes | Marine | Corythoichthys idiosoma |
| Idotea Pacifica | Isopoda | Marine | Idotea pacifica |
| Ie Seabreak | Perciformes | Marine | Acanthopagrus ie |
| Ie Seabreak Scissortail | Perciformes | Marine | Caesio cuning |
| Iejima Flounder | Pleuronectiformes | Marine | Engyprosopon iijimae |
| Iguana Blenny | Blenniiformes | Marine | Ophioblennius atlanticus |
| Iguana Goby | Gobiiformes | Marine | Ophiogobius ophicephalus |
| Iheringichthys labrosus | Siluriformes | Freshwater | Hemiancistrus labrosus |
| Iheringichthys microps | Siluriformes | Freshwater | Iheringichthys microps |
| Ihle's Anemonefish | Perciformes | Marine | Amphiprion ihlei |
| Iji's Goby | Gobiiformes | Marine | Acentrogobius ijimae |
| Iji's Worm Eel | Anguilliformes | Marine | Muraenichthys iijimai |
| Ijil Loach | Cypriniformes | Freshwater | Oxynoemacheilus ijil |
| Ijima Flounder | Pleuronectiformes | Marine | Pleuronectes ijimae |
| Ijima's Flounder | Pleuronectiformes | Marine | Cleisthenes pinetorum |
| Ijima's Moray Eel | Anguilliformes | Marine | Gymnothorax ijimae |
| Ijima's Sand Perch | Perciformes | Marine | Parapercis ijimae |
| Ijima's Sandperch | Perciformes | Marine | Parapercis ijimae |
| Ijima's Snake Eel | Anguilliformes | Marine | Ethadalia ijimae |
| Ijima's Wrasse | Perciformes | Marine | Halichoeres ijimae |
| Ijimaia | Ophidiiformes | Marine | Ijimaia |
| Ijimaia antillarum | Aulopiformes | Marine | Ijimaia antillarum |
| Ijimaia dofleini | Aulopiformes | Marine | Ijimaia dofleini |
| Ijimaia fowleri | Aulopiformes | Marine | Ijimaia fowleri |
| Ijimaia loppei | Aulopiformes | Marine | Ijimaia loppei |
| Ijimaia plicata | Aulopiformes | Marine | Ijimaia plicata |
| Ijinkan-ten | Scorpaeniformes | Marine | Scorpaena izensis |
| Ikan Keli | Siluriformes | Freshwater | Clarias batrachus |
| Ikan Terbang | Beloniformes | Marine | Hirundichthys oxycephalus |
| Ikeda's Dragonet | Perciformes | Marine | Diplogrammus ikedai |
| Ikeda's Scabbardfish | Perciformes | Marine | Aphanopus ikedae |
| Ikeda's Sole | Pleuronectiformes | Marine | Pardachirus ikedai |
| Ilago goby | Gobiiformes | Marine | Vanderhorstia ilagorensis |
| Ilha Grande Sea Catfish | Siluriformes | Brackish/Marine | Genidens planifrons |
| Ilha Grande Speckled Sleeper | Gobiiformes | Freshwater/Brackish | Eleotris dussumieri |
| Ilha Grande Stargazer | Perciformes | Marine | Astroscopus sexspinus |
| Ilha Verde Perchlet | Perciformes | Brackish/Marine | Ambassis urotaenia |
| Ilhabela Moray | Anguilliformes | Marine | Gymnothorax nigromarginatus |
| Ilhaby Lake Anchovy | Clupeiformes | Marine | Anchoa ilhaby |
| Iliamna | Cypriniformes | Freshwater | Iliamna |
| Ilisha | Clupeiformes | Marine/Brackish | Ilisha |
| Ilisha africana | Clupeiformes | Marine | Ilisha africana |
| Ilisha elongata | Clupeiformes | Marine | Ilisha elongata |
| Ilisha fugleri | Clupeiformes | Marine | Ilisha fugleri |
| Ilisha furthii | Clupeiformes | Marine | Ilisha furthii |
| Ilisha indica | Clupeiformes | Marine | Ilisha indica |
| Ilisha kelee | Clupeiformes | Marine | Ilisha kelee |
| Ilisha kowae | Clupeiformes | Marine/Brackish | Ilisha kowae |
| Ilisha lunula | Clupeiformes | Marine/Brackish | Ilisha lunula |
| Ilisha macrogaster | Clupeiformes | Marine | Ilisha macrogaster |
| Ilisha megaloptera | Clupeiformes | Marine | Ilisha megaloptera |
| Ilisha melastoma | Clupeiformes | Marine | Ilisha melastoma |
| Ilisha nipponica | Clupeiformes | Marine/Brackish | Ilisha nipponica |
| Ilisha novacula | Clupeiformes | Marine | Ilisha novacula |
| Ilisha obfuscata | Clupeiformes | Marine | Ilisha obfuscata |
| Ilisha occidentalis | Clupeiformes | Marine/Brackish | Ilisha occidentalis |
| Ilisha playfairii | Clupeiformes | Marine | Ilisha playfairii |
| Ilisha pristigastroides | Clupeiformes | Marine | Ilisha pristigastroides |
| Ilisha raymondi | Clupeiformes | Marine/Brackish | Ilisha raymondi |
| Ilisha sirishai | Clupeiformes | Marine/Brackish | Ilisha sirishai |
| Ilisha striata | Clupeiformes | Marine/Brackish | Ilisha striata |
| Ilisha xanthoptera | Clupeiformes | Marine | Ilisha xanthoptera |
| Ilishia abyssinica | Clupeiformes | Marine | Ilishia abyssinica |
| Ilishia africana | Clupeiformes | Marine | Ilishia africana |
| Ilishia amazonica | Clupeiformes | Freshwater | Ilishia amazonica |
| Ilishia compressa | Clupeiformes | Marine | Ilishia compressa |
| Ilishia elongata | Clupeiformes | Marine | Ilishia elongata |
| Ilishia filigera | Clupeiformes | Marine | Ilishia filigera |
| Ilishia furthii | Clupeiformes | Marine | Ilishia furthii |
| Ilishia indica | Clupeiformes | Marine | Ilishia indica |
| Ilishia meciguinae | Clupeiformes | Marine | Ilishia meciguinae |
| Ilishia microstoma | Clupeiformes | Marine | Ilishia microstoma |
| Ilishia nigripinnis | Clupeiformes | Marine | Ilishia nigripinnis |
| Ilishia obfuscata | Clupeiformes | Marine | Ilishia obfuscata |
| Ilishia patalu | Clupeiformes | Marine | Ilishia patalu |
| Ilishia pristigastroides | Clupeiformes | Marine | Ilishia pristigastroides |
| Ilishia sirishai | Clupeiformes | Marine | Ilishia sirishai |
| Ilishia sladeni | Clupeiformes | Marine | Ilishia sladeni |
| Ilishia striata | Clupeiformes | Marine | Ilishia striata |
| Ill-favored Sand Shark | Carcharhiniformes | Marine | Odontaspis ferox |
| Illana cervina | Cyprinodontiformes | Freshwater | Illana cervina |
| Illana costaricensis | Cyprinodontiformes | Freshwater | Illana costaricensis |
| Illana exstans | Cyprinodontiformes | Freshwater | Illana exstans |
| Illana herrerae | Cyprinodontiformes | Freshwater | Illana herrerae |
| Illana hickmani | Cyprinodontiformes | Freshwater | Illana hickmani |
| Illana pardalis | Cyprinodontiformes | Freshwater | Illana pardalis |
| Illana peraltae | Cyprinodontiformes | Freshwater | Illana peraltae |
| Illana rivularis | Cyprinodontiformes | Freshwater | Illana rivularis |
| Illana salvadori | Cyprinodontiformes | Freshwater | Illana salvadori |
| Illana tenuis | Cyprinodontiformes | Freshwater | Illana tenuis |
| Illana velifera | Cyprinodontiformes | Freshwater | Illana velifera |
| Illana vivipara | Cyprinodontiformes | Freshwater | Illana vivipara |
| Illecebrosa bonifati | Perciformes | Marine | Illecebrosa bonifati |
| Illia's Minnow | Cypriniformes | Freshwater | Phoxinus illyricus |
| Illiamna's Sculpin | Scorpaeniformes | Freshwater | Cottus kaganensis |
| Illicium il | Batrachoidiformes | Marine | Halobatrachus il |
| Illinois Crayfish | Decapoda | Freshwater | Orconectes illinoiensis |
| Illiosquilloides | Stomatopoda | Marine | Illiosquilloides platysoma |
| Illiosquilloides maldivensis | Stomatopoda | Marine | Illiosquilloides maldivensis |
| Illisha | Clupeiformes | Coastal waters of Indo-Pacific | Ilisha |
| Illisha Blacktip | Carcharhiniformes | Marine | Carcharhinus ilisha |
| Illyodrilus frantzi | Clitellata | Freshwater | Illyodrilus frantzi |
| Illyrian Barbel | Cypriniformes | Freshwater | Barbus rebeli |
| Illyrian Dace | Cypriniformes | Freshwater | Leuciscus dalmaticus |
| Illyrian Loach | Cypriniformes | Freshwater | Gobio illyricus |
| Illyrian Rudd | Cypriniformes | Freshwater | Scardinius illyricus |
| Illyriobarbus | Cypriniformes | Freshwater | Barbus illyricus |
| Ilmari's Sculpin | Scorpaeniformes | Freshwater | Cottus ilmanii |
| Ilora Barb | Cypriniformes | Freshwater | Barbus ilora |
| Ilyanassa obsoleta | Neogastropoda | Marine | Ilyanassa obsoleta |
| Ilyichthys syrdarjensis | Cypriniformes | Freshwater | Ilyichthys syrdarjensis |
| Ilyocryptus acutifrons | Cladocera | Freshwater | Ilyocryptus acutifrons |
| Ilyocryptus spinifer | Cladocera | Freshwater | Ilyocryptus spinifer |
| Ilyodon cortesae | Cyprinodontiformes | Freshwater | Ilyodon cortesae |
| Ilyodon furcidens | Cyprinodontiformes | Freshwater | Ilyodon furcidens |
| Ilyodon whitei | Cyprinodontiformes | Freshwater | Ilyodon whitei |
| Ilyophis arambourgi | Anguilliformes | Marine | Ilyophis arambourgi |
| Ilyophis arx | Anguilliformes | Marine | Ilyophis arx |
| Ilyophis blachei | Anguilliformes | Marine | Ilyophis blachei |
| Ilyophis brunneus | Anguilliformes | Marine | Ilyophis brunneus |
| Ilyophis confederatus | Anguilliformes | Marine | Ilyophis confederatus |
| Ilyophis creoli | Anguilliformes | Marine | Ilyophis creoli |
| Ilyophis infundibulum | Anguilliformes | Marine | Ilyophis infundibulum |
| Ilyophis longidentatus | Anguilliformes | Marine | Ilyophis longidentatus |
| Ilyophis nigeli | Anguilliformes | Marine | Ilyophis nigeli |
| Ilyophis paracuneolus | Anguilliformes | Marine | Ilyophis paracuneolus |
| Ilyophis platyrhynchus | Anguilliformes | Marine | Ilyophis platyrhynchus |
| Ilyophis robinsae | Anguilliformes | Marine | Ilyophis robinsae |
| Ilyophis robinsorum | Anguilliformes | Marine | Ilyophis robinsorum |
| Ilyophis saldanhai | Anguilliformes | Marine | Ilyophis saldanhai |
| Ilé-Ifè Cichlid | Cichliformes | Freshwater | Tilapia ilé-ifè |
| Imaculada Catfish | Siluriformes | Freshwater | Pimelodella immaculata |
| Imaculate Sole | Pleuronectiformes | Marine | Solea immaculata |
| Imakus | Perciformes | Marine | Imakus |
| Imakusyus longicaudus | Scorpaeniformes | Marine | Imakusyus longicaudus |
| Imakusyus phrynoides | Scorpaeniformes | Marine | Imakusyus phrynoides |
| Imamura's Flounder | Pleuronectiformes | Marine | Poecilopsetta imamurae |
| Imas' River Goby | Gobiiformes | Freshwater | Rhinogobius imas |
| Imas' Weedfish | Perciformes | Marine | Heteroclinus imas |
| Imber's Wrasse | Perciformes | Marine | Notolabrus imberbis |
| Imelda's Catfish | Siluriformes | Freshwater | Imelda miloni |
| Imelda's Dragonet | Perciformes | Marine | Synchiropus imeldae |
| Imelda's Goby | Gobiiformes | Marine | Oxyurichthys imeldae |
| Immaculate Goby | Gobiiformes | Marine | Pleurosicya immaculata |
| Immaculate Grunter | Perciformes | Brackish/Marine | Terapon immaculatus |
| Immaculate Rabbitfish | Perciformes | Marine | Siganus immaculatus |
| Immaculate Sole | Pleuronectiformes | Marine | Pardachirus immaculatus |
| Immaculate Stingray | Myliobatiformes | Marine | Neotrygon immaculata |
| Immaculate Whiptail | Gadiformes | Marine | Macrourus immaculatus |
| Immortal Betta | Anabantiformes | Freshwater | Betta immaculata |
| Imola Nase | Cypriniformes | Freshwater | Chondrostoma imeretiensis |
| Imparfinis aglabris | Siluriformes | Freshwater | Imparfinis aglabris |
| Imparfinis cochabambae | Siluriformes | Freshwater | Imparfinis cochabambae |
| Imparfinis cochranae | Siluriformes | Freshwater | Imparfinis cochranae |
| Imparfinis guttatus | Siluriformes | Freshwater | Imparfinis guttatus |
| Imparfinis hollandi | Siluriformes | Freshwater | Imparfinis hollandi |
| Imparfinis holopriscus | Siluriformes | Freshwater | Imparfinis holopriscus |
| Imparfinis longicauda | Siluriformes | Freshwater | Imparfinis longicauda |
| Imparfinis microps | Siluriformes | Freshwater | Imparfinis microps |
| Imparfinis minutus | Siluriformes | Freshwater | Imparfinis minutus |
| Imparfinis mirini | Siluriformes | Freshwater | Imparfinis mirini |
| Imparfinis mishanensis | Siluriformes | Freshwater | Imparfinis mishanensis |
| Imparfinis nemacheir | Siluriformes | Freshwater | Imparfinis nemacheir |
| Imparfinis panamensis | Siluriformes | Freshwater | Imparfinis panamensis |
| Imparfinis parvaculus | Siluriformes | Freshwater | Imparfinis parvaculus |
| Imparfinis parvus | Siluriformes | Freshwater | Imparfinis parvus |
| Imparfinis piabarchus | Siluriformes | Freshwater | Imparfinis piabarchus |
| Imparfinis pijaoensis | Siluriformes | Freshwater | Imparfinis pijaoensis |
| Imparfinis pristinus | Siluriformes | Freshwater | Imparfinis pristinus |
| Imparfinis pseudonemacheir | Siluriformes | Freshwater | Imparfinis pseudonemacheir |
| Imparfinis pseudonigellus | Siluriformes | Freshwater | Imparfinis pseudonigellus |
| Imparfinis spurrellii | Siluriformes | Freshwater | Imparfinis spurrellii |
| Imparfinis stictonotus | Siluriformes | Freshwater | Imparfinis stictonotus |
| Imparfinis teixeirai | Siluriformes | Freshwater | Imparfinis teixeirai |
| Imparfinis torae | Siluriformes | Freshwater | Imparfinis torae |
| Imparfinis tui | Siluriformes | Freshwater | Imparfinis tui |
| Imparfinis usmai | Siluriformes | Freshwater | Imparfinis usmai |
| Impatiens Anchovy | Clupeiformes | Marine | Encrasicholina impatiens |
| Impatiens Cardinalfish | Perciformes | Marine | Apogon impatiens |
| Imperator Angelfish | Perciformes | Marine | Pomacanthus imperator |
| Imperfect Sole | Pleuronectiformes | Marine | Solea impar |
| Imperforate Skate | Rajiformes | Marine | Okamejei hollandi |
| Imperial Anchovy | Clupeiformes | Marine | Encrasicholina imperialis |
| Imperial Angelfish | Perciformes | Marine | Pomacanthus imperator |
| Imperial Blackfish | Perciformes | Marine | Girella elevata |
| Imperial Bullseye | Perciformes | Marine | Priacanthus hamrur |
| Imperial Cardinalfish | Perciformes | Marine | Apogonichthys imperator |
| Imperial Cigarfish | Scombriformes | Marine | Cubiceps imperator |
| Imperial Cod | Gadiformes | Marine | Lotella rhacina |
| Imperial Conefish | Perciformes | Marine | Symphorus nematophorus |
| Imperial Dottyback | Perciformes | Marine | Pseudochromis imperialis |
| Imperial Dragonet | Perciformes | Marine | Callionymus imperialis |
| Imperial Drummer | Perciformes | Marine | Kyphosus imperator |
| Imperial Fangjaw | Stomiiformes | Marine | Astronesthes niger |
| Imperial Flagtail | Perciformes | Freshwater/Brackish | Kuhlia marginata |
| Imperial Flathead | Scorpaeniformes | Marine | Platycephalus fuscus |
| Imperial Flatworm | Platyhelminthes | Marine | Pseudobiceros imperator |
| Imperial Flounder | Pleuronectiformes | Marine | Pleuronichthys ritteri |
| Imperial Flyingfish | Beloniformes | Marine | Cypselurus imperator |
| Imperial Frillshark | Hexanchiformes | Marine | Chlamydoselachus imperialis |
| Imperial Garden Eel | Anguilliformes | Marine | Gorgasia imperialis |
| Imperial Gourami | Osphronemiformes | Freshwater | Sphaerichthys imperialis |
| Imperial Gregory | Perciformes | Marine | Stegastes imbricatus |
| Imperial Grunt | Perciformes | Marine | Diagramma pictum |
| Imperial Hatchetfish | Stomiiformes | Marine | Argyropelecus imperialis |
| Imperial Hogfish | Perciformes | Marine | Bodianus imperator |
| Imperial Jellyfish | Scyphozoa | Marine | Chrysaora imperator |
| Imperial Jellyfish-fish | Carangiformes | Marine | Schedophilus medusophagus |
| Imperial John Dory | Zeiformes | Marine | Zenopsis nebulosa |
| Imperial Knifejaw | Perciformes | Marine | Oplegnathus fasciatus |
| Imperial Lingcod | Scorpaeniformes | Marine | Ophiodon elongatus |
| Imperial Lionfish | Scorpaeniformes | Marine | Pterois imperator |
| Imperial Mackerel | Scombriformes | Marine | Scomberesox saurus |
| Imperial Modoc | Cyprinodontiformes | Freshwater | Modoc blennioides |
| Imperial Moray | Anguilliformes | Marine | Gymnothorax imperialis |
| Imperial Nannygai | Perciformes | Marine | Centroberyx imperator |
| Imperial Pacu | Characiformes | Freshwater | Mylossoma duriventre |
| Imperial Parrotfish | Perciformes | Marine | Scarus dubius |
| Imperial Peacock Bass | Perciformes | Freshwater | Cichla orinocensis |
| Imperial Perch | Perciformes | Freshwater | Perca imperialis |
| Imperial Pigfish | Perciformes | Marine | Congiopodus imperator |
| Imperial Pipefish | Syngnathiformes | Marine | Corythoichthys imperator |
| Imperial Pleco | Siluriformes | Freshwater | Panaqolus imperialis |
| Imperial Pompano | Carangiformes | Marine | Trachinotus maxillosus |
| Imperial Prawn | Decapoda | Marine | Penaeus imperator |
| Imperial Prawn Goby | Gobiiformes | Marine | Amblyeleotris imperialis |
| Imperial Razorfish | Perciformes | Marine | Xyrichtys imperialis |
| Imperial Red Snapper | Perciformes | Marine | Lutjanus sebae |
| Imperial Sandfish | Perciformes | Marine | Gonorynchus gonorynchus |
| Imperial Scorpionfish | Scorpaeniformes | Marine | Scorpaena imperialis |
| Imperial Sea Catfish | Siluriformes | Marine | Arius imperialis |
| Imperial Seabat | Perciformes | Marine | Platax imperator |
| Imperial Seaperch | Perciformes | Marine | Lutjanus sebae |
| Imperial Shark | Lamniformes | Marine | Mitsukurina owstoni |
| Imperial Slingjaw Wrasse | Perciformes | Marine | Epibulus insidiator |
| Imperial Snake Mackerel | Perciformes | Marine | Promethichthys prometheus |
| Imperial Snake-eel | Anguilliformes | Marine | Ophichthus punctifer |
| Imperial Snapper | Lutjaniformes | Indo-Pacific | Lutjanus sebae |
| Imperial Snipe Eel | Anguilliformes | Marine | Nemichthys scolopaceus |
| Imperial Snipefish | Syngnathiformes | Marine | Macroramphosus scolopax |
| Imperial Sole | Pleuronectiformes | Marine | Aspidopsetta ijimai |
| Imperial Squatina | Squatiniformes | Marine | Squatina imperialis |
| Imperial Squidfish | Gobiiformes | Marine | Parasitichthys carinatus |
| Imperial Squirrelfish | Holocentriformes | Marine | Sargocentron imperator |
| Imperial Surgeonfish | Perciformes | Marine | Acanthurus imperialis |
| Imperial Swordfish | Xiphiiformes | Marine | Xiphias gladius |
| Imperial Tang | Perciformes | Marine | Zebrasoma scopas |
| Imperial Threadfin | Perciformes | Marine | Polydactylus imperator |
| Imperial Threadfin Bream | Perciformes | Marine | Nemipterus peronii |
| Imperial Tope | Carcharhiniformes | Marine | Galeorhinus imperialis |
| Imperial Trevally | Carangiformes | Marine | Carangoides hemigymnostylus |
| Imperial Triggerfish | Tetraodontiformes | Marine | Balistes vetula |
| Imperial Turbot | Pleuronectiformes | Marine | Pleuronectes isolepis |
| Imperial Uranoscopus | Perciformes | Marine | Uranoscopus imperator |
| Imperial Velvetfish | Scorpaeniformes | Marine | Paracentropogon longispinis |
| Imperial Wahoo | Scombriformes | Marine | Acanthocybium solandri |
| Imperial Weedfish | Perciformes | Marine | Heteroclinus imperialis |
| Imperial Whitetip Shark | Carcharhiniformes | Marine | Carcharhinus longimanus |
| Imperial Wrasse | Perciformes | Marine | Hologymnosus annulatus |
| Imperialis Flathead | Scorpaeniformes | Marine | Platycephalus imperialis |
| Imposter Stonefish | Scorpaeniformes | Marine | Synanceia horrida |
| Impoundment Threadfin | Polymixiiformes | Marine | Polymixia lowei |
| Impressive Blenny | Blenniiformes | Marine | Homestius impressus |
| Inada's Anglerfish | Lophiiformes | Marine | Lophiomus inadae |
| Inada's Flounder | Pleuronectiformes | Marine | Pleuronectes inadae |
| Inada's Grenadier | Gadiformes | Marine | Caelorinchus inadae |
| Inada's Moray | Anguilliformes | Marine | Gymnothorax inadae |
| Inada's Skate | Rajiformes | Marine | Okamejei inadae |
| Inada's Sole | Pleuronectiformes | Marine | Zebrias inadae |
| Inada's Tripod Fish | Aulopiformes | Marine | Bathypterois inadae |
| Inca Barb | Cypriniformes | Freshwater | Barbus inca |
| Inca Batfish | Lophiiformes | Marine | Zalieutes elater |
| Inca Blenny | Blenniiformes | Marine | Exallias brevis |
| Inca Cardinalfish | Perciformes | Marine | Apogon inca |
| Inca Catfish | Siluriformes | Freshwater | Pimelodella inca |
| Inca Dottyback | Perciformes | Marine | Pseudochromis inca |
| Inca Flounder | Pleuronectiformes | Marine | Bothus mancus |
| Inca Goby | Gobiiformes | Marine | Gnatholepis inca |
| Inca Grouper | Perciformes | Marine | Mycteroperca inca |
| Inca Pipefish | Syngnathiformes | Marine | Corythoichthys inca |
| Inca Scabbardfish | Perciformes | Marine | Aphanopus intermedius |
| Inca Scorpionfish | Scorpaeniformes | Marine | Scorpaena mystes |
| Inca Skate | Rajiformes | Marine | Bathyraja scaphiops |
| Inca Squint-eyed Goby | Gobiiformes | Marine | Bryaninops inca |
| Incandescent Blenny | Blenniiformes | Marine | Ecsenius dilemma |
| Incarnate Triplefin | Blenniiformes | Marine | Tripterygius inca |
| Incarvillea Lizardfish | Aulopiformes | Marine | Synodus incae |
| Incas' Hake | Gadiformes | Marine | Merluccius gayi peruanus |
| Inchworm Blenny | Blenniiformes | Marine | Congrogadus subducens |
| Inchworm Pipefish | Syngnathiformes | Marine | Parenfis cylindricus |
| Incisalepis | Perciformes | Marine | Incisalepis |
| Incisentis | Perciformes | Marine | Incisentis |
| Incisentis lacustris | Characiformes | Freshwater | Incisentis lacustris |
| Incisor Flounder | Pleuronectiformes | Marine | Paralichthys lethostigma |
| Incisor Toothed Catfish | Siluriformes | Freshwater | Silurus incisus |
| Incisor Wrasse | Perciformes | Marine | Pteragogus cryptus |
| Inclined Grubfish | Perciformes | Marine | Parapercis cylindrica |
| Incomprise Cuskeel | Ophidiiformes | Marine | Dicrolene intrusa |
| Inconnu | Salmoniformes | Arctic and subarctic regions of North America and Eurasia | Stenodus leucichthys |
| Inconspicuous Pipefish | Syngnathiformes | Marine | Corythoichthys conspicillatus |
| Incorporeal Goby | Gobiiformes | Marine | Discordipinna griessingeri |
| Increasingly Flathead | Scorpaeniformes | Marine | Platycephalus indicus |
| Indasoma | Characiformes | Freshwater | Indasoma |
| Indelicate Brotula | Ophidiiformes | Marine | Brotula multispina |
| Indesom | Siluriformes | Freshwater | Indesom |
| Indiacanthus | Perciformes | Marine | Indiacanthus |
| Indian Anchovy | Clupeiformes | Marine | Stolephorus indicus |
| Indian Anchovy-Stolephorus indicus | Clupeiformes | Marine | Stolephorus indicus |
| Indian Anglerfish | Lophiiformes | Marine | Lophius indicus |
| Indian Bannerfish | Perciformes | Marine | Heniochus acuminatus |
| Indian Barracuda | Perciformes | Marine | Sphyraena jello |
| Indian Basslet | Perciformes | Marine | Pseudochromis olivaceus |
| Indian Batavia Loach | Cypriniformes | Freshwater | Botia dario |
| Indian Batfish | Ephippiformes | Marine | Platax pinnatus |
| Indian Batrachoid | Batrachoidiformes | Marine | Batrachomoeus rubricephalus |
| Indian Beaked Leatherjacket | Tetraodontiformes | Marine | Amanses scopas |
| Indian Blackberryfish | Perciformes | Marine | Pempheris oualensis |
| Indian Blackfish | Perciformes | Marine | Girella nigricans |
| Indian Blacknose Shark | Carcharhiniformes | Marine | Carcharhinus sorrah |
| Indian Blind Eel | Synbranchiformes | Freshwater | Monopterus indicus |
| Indian Blubberlip Snapper | Perciformes | Marine | Lutjanus rivulatus |
| Indian Blue Crab | Decapoda | Marine | Portunus pelagicus |
| Indian Bluefin Trevally | Carangiformes | Marine | Caranx melampygus |
| Indian Bobtail Squid | Sepiolida | Marine | Sepia brevimana |
| Indian Bonefish | Albuliformes | Marine | Albula glossodonta |
| Indian Bonito | Scombriformes | Marine | Sarda orientalis |
| Indian Boxfish | Tetraodontiformes | Marine | Ostracion cubicus |
| Indian Breams | Acanthuriformes | Marine | Acanthurus indicus |
| Indian Broughton Wrasse | Perciformes | Marine | Symphodus typhle |
| Indian Butterfish | Perciformes | Marine | Stromateus sinensis |
| Indian Butterflyfish | Perciformes | Marine | Chaetodon mitratus |
| Indian Caecilian | Gymnophiona | Freshwater/Terrestrial | Indotyphlus |
| Indian Callionymidae | Callionymiformes | Marine | Callionymus indicus |
| Indian Carpet Shark | Orectolobiformes | Marine | Chiloscyllium indicum |
| Indian Cat Shark | Carcharhiniformes | Marine | Chiloscyllium indicum |
| Indian Catfish | Siluriformes | Brackish/Marine | Arius tenuispinis |
| Indian Chimaera | Chimaeriformes | Marine | Chimaera indica |
| Indian Chinook Salmon | Salmoniformes | Freshwater/Marine | Oncorhynchus tshawytscha |
| Indian Clarias Catfish | Siluriformes | Freshwater | Clarias batrachus |
| Indian Cobia | Perciformes | Marine | Rachycentron canadum |
| Indian Cod | Gadiformes | Marine | Bregmaceros macclellandii |
| Indian Combtooth Blenny | Blenniiformes | Marine | Ecsenius pulcher |
| Indian Comet | Perciformes | Marine | Calloplesiops altivelis |
| Indian Commerson's Sole | Pleuronectiformes | Marine | Pardachirus marmoratus |
| Indian Commerson's Sole-Synaptura commersoni | Pleuronectiformes | Marine | Synaptura commersonii |
| Indian Conger | Anguilliformes | Marine | Conger conger |
| Indian Copepod | Copepoda | Marine | Indocalanus |
| Indian Coralfish | Perciformes | Marine | Chaetodon auriga |
| Indian Coris | Perciformes | Marine | Coris gaimard |
| Indian Croaker | Perciformes | Marine | Protonibea diacanthus |
| Indian Croaker-Protonibea diacanthus | Perciformes | Marine | Protonibea diacanthus |
| Indian Croc-Eel | Anguilliformes | Marine | Brachysomophis crocodilinus |
| Indian Cucumberfish | Aulopiformes | Marine | Synodus indicus |
| Indian Dab | Pleuronectiformes | Marine | Pleuronectes indicus |
| Indian Dace | Cypriniformes | Freshwater | Leuciscus indicus |
| Indian Damselfish | Perciformes | Marine | Pomacentrus indicus |
| Indian Deep Sea Catfish | Siluriformes | Marine | Bathyraja indica |
| Indian Devil Ray | Myliobatiformes | Marine | Mobula kuhlii |
| Indian Dogface Puffer | Tetraodontiformes | Marine | Arothron nigropunctatus |
| Indian Doublewhiptail | Beryciformes | Marine | Hoplostethus occidentalis |
| Indian Dragonet | Callionymiformes | Marine | Callionymus indicus |
| Indian Drift Shark | Carcharhiniformes | Marine | Carcharhinus longimanus |
| Indian Driftfish | Perciformes | Marine | Psenes indicus |
| Indian Dusky Shark | Carcharhiniformes | Marine | Carcharhinus obscurus |
| Indian Eel | Anguilliformes | Freshwater/Brackish | Anguilla nebulosa |
| Indian Elephantnose Fish | Osteoglossiformes | Freshwater | Gnathonemus petersii |
| Indian Emperor | Lethriniformes | Marine | Lethrinus nebulosus |
| Indian Ensign Wrasse | Perciformes | Marine | Hemigymnus fasciatus |
| Indian Fat Sleeper | Gobiiformes | Freshwater/Brackish | Eleotris fusca |
| Indian Feathertail Stingray | Myliobatiformes | Marine | Hypolophus sephen |
| Indian Filefish | Tetraodontiformes | Marine | Monacanthus indicus |
| Indian Fimbriated Moray | Anguilliformes | Marine | Gymnothorax fimbriatus |
| Indian Flatfish | Pleuronectiformes | Marine | Pardachirus marmoratus |
| Indian Flathead | Scorpaeniformes | Marine | Platycephalus indicus |
| Indian Flounder | Pleuronectiformes | Marine | Pleuronectes indicus |
| Indian Flying Fish | Beloniformes | Marine | Cheilopogon nigricans |
| Indian Flying Gurnard | Perciformes | Marine | Dactyloptena orientalis |
| Indian Flyingfish | Beloniformes | Marine | Cheilopogon nigricans |
| Indian Four-Eyed Fish | Perciformes | Freshwater/Brackish | Anableps anableps |
| Indian Freshwater Sardine | Clupeiformes | Freshwater | Gudusia chapra |
| Indian Frillfin | Gobiiformes | Marine | Bathygobius fuscus |
| Indian Fringe-Lipped Sardine | Clupeiformes | Marine | Sardinella fimbriata |
| Indian Frogfish | Lophiiformes | Marine | Antennarius indicus |
| Indian Glassfish | Perciformes | Freshwater | Parambassis ranga |
| Indian Goatfish | Perciformes | Marine | Parupeneus indicus |
| Indian Goatfish-Parupeneus indicus | Perciformes | Marine | Parupeneus indicus |
| Indian Godfish | Gadiformes | Marine | Macrourus berglax |
| Indian Golden Loach | Cypriniformes | Freshwater | Botia dario |
| Indian Golden Moray | Anguilliformes | Marine | Gymnothorax reticularis |
| Indian Goodes | Cyprinodontiformes | Freshwater | Goodea atripinnis |
| Indian Grouper | Perciformes | Marine | Epinephelus coioides |
| Indian Grunter | Perciformes | Marine | Pomadasys argyreus |
| Indian Halavi Guitarfish | Rhinopristiformes | Marine | Glaucostegus halavi |
| Indian Halfbeak | Beloniformes | Marine/Brackish | Hyporhamphus limbatus |
| Indian Halibut | Pleuronectiformes | Marine | Psettodes erumei |
| Indian Hammerhead Shark | Carcharhiniformes | Marine | Sphyrna lewini |
| Indian Hawkfish | Perciformes | Marine | Cirrhitichthys oxycephalus |
| Indian Headstander | Characiformes | Freshwater | Chilodus punctatus |
| Indian Highfin Batfish | Perciformes | Marine | Platax teira |
| Indian Horsemackerel | Carangiformes | Marine | Megalaspis cordyla |
| Indian Humpback Grouper | Perciformes | Marine | Cromileptes altivelis |
| Indian Humphead Glassfish | Perciformes | Freshwater | Parambassis gulliveri |
| Indian Kingfish | Scombriformes | Marine | Scomberomorus guttatus |
| Indian Lantern Shark | Squaliformes | Marine | Etmopterus indicus |
| Indian Leafy Scorpianfish | Scorpaeniformes | Marine | Rhinopias eschmeyeri |
| Indian Leopard Moray | Anguilliformes | Marine | Gymnothorax undulatus |
| Indian Lizardfish | Aulopiformes | Marine | Synodus indicus |
| Indian Mackerel | Scombriformes | Indo-Pacific | Rastrelliger kanagurta |
| Indian Mahi-mahi | Carangiformes | Marine | Coryphaena hippurus |
| Indian Manta Ray | Myliobatiformes | Marine | Mobula birostris |
| Indian Marine Catfish | Siluriformes | Marine/Brackish | Netuma thalassina |
| Indian Milkfish | Gonorynchiformes | Marine/Brackish/Freshwater | Chanos chanos |
| Indian Mirrorfish | Perciformes | Marine | Zenopsis nebulosa |
| Indian Moneybag Eel | Anguilliformes | Freshwater/Brackish | Anguilla bengalensis bengalensis |
| Indian Monkfish | Lophiiformes | Marine | Lophius litulon |
| Indian Moray | Anguilliformes | Marine | Gymnothorax indicus |
| Indian Morwong | Perciformes | Marine | Nemadactylus macropterus |
| Indian Mudskipper | Gobiiformes | Brackish/Marine | Periophthalmus indicus |
| Indian Muraenesox | Anguilliformes | Marine | Muraenesox cinereus |
| Indian Night Shark | Carcharhiniformes | Marine | Carcharhinus signatus |
| Indian Ocean Bannerfish | Perciformes | Marine | Heniochus acuminatus |
| Indian Ocean Deepwater Flathead | Scorpaeniformes | Marine | Platycephalus indicus |
| Indian Ocean Flagtail | Perciformes | Freshwater/Brackish | Kuhlia mugil |
| Indian Ocean Flounder | Pleuronectiformes | Marine | Pseudorhombus elevatus |
| Indian Ocean Humpback Grouper | Perciformes | Marine | Cromileptes altivelis |
| Indian Ocean Humphead Batfish | Perciformes | Marine | Platax orbicularis |
| Indian Ocean Leopard Grouper | Perciformes | Marine | Plectropomus pessuliferus |
| Indian Ocean Lobster | Decapoda | Marine | Panulirus homarus |
| Indian Ocean Napoleon Wrasse | Perciformes | Marine | Cheilinus undulatus |
| Indian Ocean Picasso Triggerfish | Tetraodontiformes | Marine | Rhinecanthus aculeatus |
| Indian Ocean Red Snapper | Perciformes | Marine | Lutjanus malabaricus |
| Indian Ocean Requiem Shark | Carcharhiniformes | Marine | Carcharhinus sorrah |
| Indian Ocean Sailfish | Istiophoriformes | Marine | Istiophorus platypterus |
| Indian Ocean Sandperch | Perciformes | Marine | Parapercis hexophthalma |
| Indian Ocean Scorpionfish | Scorpaeniformes | Marine | Scorpaenopsis venosa |
| Indian Ocean Soapfish | Perciformes | Marine | Pogonoperca punctata |
| Indian Ocean Spearfish | Istiophoriformes | Marine | Tetrapturus angustirostris |
| Indian Ocean Squirrelfish | Beryciformes | Marine | Sargocentron spiniferum |
| Indian Ocean Tilefish | Perciformes | Marine | Malacanthus latovittatus |
| Indian Ocean Trevally | Carangiformes | Marine | Caranx sexfasciatus |
| Indian Ocean Triggerfish | Tetraodontiformes | Marine | Sufflamen bursa |
| Indian Ocean Turbot | Pleuronectiformes | Marine | Psettodes erumei |
| Indian Ocean Whitefin Wolf Herring | Clupeiformes | Marine | Chirocentrus dorab |
| Indian Oil Sardine | Clupeiformes | Indo-Pacific | Sardinella longiceps |
| Indian Oilfish | Scombriformes | Marine | Ruvettus pretiosus |
| Indian Olive Barb | Cypriniformes | Freshwater | Puntius filamentosus |
| Indian Paddlefish | Siluriformes | Freshwater | Psephurus gladius |
| Indian Pampano | Carangiformes | Marine | Trachinotus mookalee |
| Indian Parasitic Eel | Anguilliformes | Marine | Simenchelys parasitica |
| Indian Pearlfish | Ophidiiformes | Marine | Encheliophis indicus |
| Indian Peculiar Loach | Cypriniformes | Freshwater | Nemacheilus inglisi |
| Indian Pencil Cardinalfish | Kurtiformes | Marine | Apogon indicus |
| Indian Peneid Prawn | Decapoda | Marine | Penaeus indicus |
| Indian Pike Conger | Anguilliformes | Marine | Congresox talabonoides |
| Indian Pilotfish | Carangiformes | Marine | Naucrates ductor |
| Indian Pipefish | Syngnathiformes | Marine | Syngnathus indicus |
| Indian Pitted Flounder | Pleuronectiformes | Marine | Laeops nigrescens |
| Indian Plaice | Pleuronectiformes | Marine | Pleuronectes platessa |
| Indian Porcupinefish | Tetraodontiformes | Marine | Diodon holocanthus |
| Indian Prawn | Decapoda | Marine | Fenneropenaeus indicus |
| Indian Puffers | Tetraodontiformes | Marine/Brackish/Freshwater | Chelonodon patoca |
| Indian Pugnose Ponyfish | Perciformes | Marine | Leiognathus equulus |
| Indian Remora | Perciformes | Marine | Echeneis naucrates |
| Indian River Pinfish | Perciformes | Marine | Lagodon rhomboides |
| Indian River Tench | Cypriniformes | Freshwater (Introduced) | Tinca tinca |
| Indian Rock Cod | Perciformes | Marine | Epinephelus coioides |
| Indian Round Herring | Clupeiformes | Marine | Dussumieria acuta |
| Indian Sailfin Tang | Acanthuriformes | Marine | Zebrasoma veliferum |
| Indian Sand Perch | Perciformes | Marine | Parapercis hexophthalma |
| Indian Sand Snake-eel | Anguilliformes | Marine/Brackish/Freshwater | Pisodonophis boro |
| Indian Scad | Carangiformes | Marine | Decapterus russelli |
| Indian Scat | Perciformes | Marine/Brackish/Freshwater | Scatophagus argus |
| Indian School Mackerel | Scombriformes | Marine | Scomberomorus munroi |
| Indian Sea Cucumber | Holothuroidea | Marine | Holothuria scabra |
| Indian Seerfish | Scombriformes | Marine | Scomberomorus guttatus |
| Indian Shad | Clupeiformes | Marine | Hilsa kelee |
| Indian Sharpspine Snapper | Perciformes | Marine | Lutjanus fulviflamma |
| Indian Sheephead | Perciformes | Marine | Semicossyphus pulcher |
| Indian Sheepshead | Perciformes | Marine | Archosargus probatocephalus |
| Indian Shortbill Spearfish | Istiophoriformes | Marine | Tetrapturus pfluegeri |
| Indian Shortfin Eel | Anguilliformes | Freshwater/Brackish | Anguilla bicolor |
| Indian Sicklefish | Ephippiformes | Marine | Drepane punctata |
| Indian Sidestripe Snapper | Perciformes | Marine | Lutjanus carponotatus |
| Indian Silago | Perciformes | Marine/Brackish | Sillago sihama |
| Indian Silver Bream | Spariformes | Marine | Rhabdosargus sarba |
| Indian Silver Pomfret | Perciformes | Marine | Pampus argenteus |
| Indian Skate | Rajiformes | Marine | Raja undulata |
| Indian Snakehead | Anabantiformes | Freshwater | Channa orientalis |
| Indian Snapper | Perciformes | Marine | Lutjanus johnii |
| Indian Sole | Pleuronectiformes | Marine | Solea vulgaris |
| Indian Spiny Eel | Synbranchiformes | Freshwater | Macrognathus pancalus |
| Indian Sprat | Clupeiformes | Marine | Spratelloides gracilis |
| Indian Squirrelfish | Beryciformes | Marine | Neoniphon sammara |
| Indian Starfish | Asteroidea | Marine | Astropecten indicus |
| Indian Stargazer | Perciformes | Marine | Uranoscopus cognatus |
| Indian Stinger | Scorpaeniformes | Marine | Synanceia horrida |
| Indian Stingray | Myliobatiformes | Marine | Dasyatis pastinaca |
| Indian Stonefish | Scorpaeniformes | Marine | Synanceia horrida |
| Indian Striped Mullet | Mugiliformes | Marine/Brackish/Freshwater | Mugil cephalus |
| Indian Stripey | Perciformes | Marine | Microcanthus strigatus |
| Indian Surgeonfish | Perciformes | Marine | Acanthurus nigricans |
| Indian Sweeper | Perciformes | Marine | Pempheris vanicolensis |
| Indian Sweetlips | Perciformes | Marine | Plectorhinchus vittatus |
| Indian Threadfin | Polynemiformes | Marine | Polydactylus indicus |
| Indian Threadfin Bream | Perciformes | Marine | Nemipterus japonicus |
| Indian Tilapia | Cichliformes | Freshwater | Oreochromis mossambicus |
| Indian Triggerfish | Tetraodontiformes | Marine | Sufflamen bursa |
| Indian Trivetfish | Tetraodontiformes | Marine | Tripodichthys oxycephalus |
| Indian Turbot | Pleuronectiformes | Marine | Psettodes erumei |
| Indian Turbot-Psettodes erumei | Pleuronectiformes | Marine | Psettodes erumei |
| Indian Unicornfish | Perciformes | Marine | Naso unicornis |
| Indian Volute | Volutidae | Marine | Cymbiola nobilis |
| Indian Wahoo | Scombriformes | Marine | Acanthocybium solandri |
| Indian Wavy Grunter | Perciformes | Marine | Pomadasys argenteus |
| Indian Weedfish | Perciformes | Marine | Heteroclinus puchellus |
| Indian Weever | Perciformes | Marine | Trachinus radiatus |
| Indian White Shrimp | Decapoda | Marine | Fenneropenaeus indicus |
| Indian Yellowfin Bream | Perciformes | Marine | Acanthopagrus latus |
| Indian Yellowfin Tuna | Scombriformes | Marine | Thunnus albacares |
| Indiella | Ophidiiformes | Marine | Indiella |
| Indo-Pacific Barbeque Fish | Perciformes | Marine | Nemipterus peronii |
| Indo-Pacific Blue Marlin | Istiophoriformes | Marine | Makaira mazara |
| Indo-Pacific Bonefish | Albuliformes | Marine | Albula glossodonta |
| Indo-Pacific Bottlenose Dolphin | Cetacea | Marine | Tursiops aduncus |
| Indo-Pacific Coral Hind | Perciformes | Marine | Cephalopholis miniata |
| Indo-Pacific Croaker | Perciformes | Marine | Protonibea diacanthus |
| Indo-Pacific Cubera Snapper | Perciformes | Marine | Lutjanus argentimaculatus |
| Indo-Pacific Damselfish | Perciformes | Marine | Pomacentrus moluccensis |
| Indo-Pacific Dolphin Fish | Perciformes | Marine | Coryphaena hippurus |
| Indo-Pacific Dottyback | Perciformes | Marine | Pseudochromis fridmani |
| Indo-Pacific Empire Snapper | Perciformes | Marine | Lutjanus rivulatus |
| Indo-Pacific False Kelpfish | Perciformes | Marine | Cirripectes variolosus |
| Indo-Pacific False Moray | Anguilliformes | Marine | Chlopsis apterus |
| Indo-Pacific Finless Porpoise | Cetacea | Marine | Neophocaena phocaenoides |
| Indo-Pacific Flathead | Scorpaeniformes | Marine | Platycephalus indicus |
| Indo-Pacific Flyingfish | Beloniformes | Marine | Cypselurus poecilopterus |
| Indo-Pacific Frigate Mackerel | Scombriformes | Marine | Auxis thazard |
| Indo-Pacific Ginglymostoma | Orectolobiformes | Marine | Ginglymostoma ferrugineum |
| Indo-Pacific Greater Amberjack | Carangiformes | Marine | Seriola dumerili |
| Indo-Pacific Humpback Dolphin | Cetacea | Marine | Sousa chinensis |
| Indo-Pacific King Mackerel | Scombriformes | Marine | Scomberomorus guttatus |
| Indo-Pacific Lawyer | Gadiformes | Marine | Gadella maraldi |
| Indo-Pacific Leopard Shark | Carcharhiniformes | Marine | Triakis scyllium |
| Indo-Pacific Mackerel Scad | Carangiformes | Marine | Decapterus macarellus |
| Indo-Pacific Mako Shark | Lamniformes | Marine | Isurus oxyrinchus |
| Indo-Pacific Moray Eel | Anguilliformes | Marine | Gymnothorax fimbriatus |
| Indo-Pacific Napoleon Wrasse | Perciformes | Marine | Cheilinus undulatus |
| Indo-Pacific Pipefish | Syngnathiformes | Marine | Corythoichthys intestinalis |
| Indo-Pacific Sailfish | Istiophoriformes | Marine | Istiophorus platypterus |
| Indo-Pacific Sardinella | Clupeiformes | Marine | Sardinella longiceps |
| Indo-Pacific Sergeant | Perciformes | Indo-Pacific | Abudefduf vaigiensis |
| Indo-Pacific Shortfin Mako | Lamniformes | Marine | Isurus oxyrinchus |
| Indo-Pacific Snapper | Perciformes | Marine | Lutjanus gibbus |
| Indo-Pacific Spadefish | Ephippiformes | Marine | Platax orbicularis |
| Indo-Pacific Spanish Mackerel | Scombriformes | Marine | Scomberomorus commerson |
| Indo-Pacific Spiny Devilfish | Scorpaeniformes | Marine | Inimicus didactylus |
| Indo-Pacific Tarpon | Elopiformes | Indo-Pacific | Megalops cyprinoides |
| Indo-Pacific Threadfin | Polynemiformes | Marine | Polydactylus indicus |
| Indo-Pacific Triggerfish | Tetraodontiformes | Marine | Rhinecanthus aculeatus |
| Indo-Pacific Tuna | Scombriformes | Marine | Thunnus tonggol |
| Indo-Pacific Walrus Fish | Ophidiiformes | Marine | Neobythites unimaculatus |
| Indochina Barb | Cypriniformes | Freshwater | Barbonymus altus |
| Indochina Halfbeak | Beloniformes | Freshwater | Hemirhamphodon pogonognathus |
| Indochinese Anchovy | Clupeiformes | Marine | Stolephorus indochinensis |
| Indochinese Barbel | Cypriniformes | Freshwater | Acrossocheilus indochinensis |
| Indochinese Chameleon Goby | Gobiiformes | Freshwater | Chlamydogobius indochinensis |
| Indochinese Crucian Carp | Cypriniformes | Freshwater | Carassius indochinensis |
| Indochinese False Kelpfish | Perciformes | Marine | Cirripectes indochinensis |
| Indochinese Gudgeon | Cypriniformes | Freshwater | Romanogobio indochinensis |
| Indochinese Loach | Cypriniformes | Freshwater | Botia indochinensis |
| Indochinese River Shark | Carcharhiniformes | Freshwater/Brackish | Glyphis gangeticus |
| Indochinese Shad | Clupeiformes | Freshwater/Brackish | Tenualosa thibaudeaui |
| Indochinese Spiny Eel | Synbranchiformes | Freshwater | Macrognathus siamensis |
| Indochinese Sprat | Clupeiformes | Freshwater/Brackish | Corica indochinensis |
| Indochinese Tiger Barb | Cypriniformes | Freshwater | Puntigrus anchisporus |
| Indocybium | Scombriformes | Marine | Indocybium |
| Indodiaphus | Myctophiformes | Marine | Indodiaphus |
| Indogobius | Gobiiformes | Marine | Indogobius |
| Indonesian Archerfish | Perciformes | Freshwater/Brackish | Toxotes jaculatrix |
| Indonesian Bamboo Shark | Orectolobiformes | Marine | Chiloscyllium indicum |
| Indonesian Barramundi | Perciformes | Freshwater/Brackish | Lates calcarifer |
| Indonesian Batfish | Perciformes | Marine | Platax batavianus |
| Indonesian Black Snapper | Perciformes | Marine | Macolor niger |
| Indonesian Blacktip Shark | Carcharhiniformes | Marine | Carcharhinus limbatus |
| Indonesian Blue Spotted Ray | Myliobatiformes | Marine | Neotrygon kuhlii |
| Indonesian Boxfish | Tetraodontiformes | Marine | Ostracion cubicus |
| Indonesian Bubblefin Wrasse | Perciformes | Marine | Cheilinus trilobatus |
| Indonesian Butterflyfish | Perciformes | Marine | Chaetodon auriga |
| Indonesian Cardinalfish | Perciformes | Marine | Pterapogon kauderni |
| Indonesian Catshark | Carcharhiniformes | Marine | Atelomycterus marmoratus |
| Indonesian Conger Eel | Anguilliformes | Marine | Conger cinereus |
| Indonesian Cuttlefish | Sepiida | Marine | Sepia latimanus |
| Indonesian Damselfish | Perciformes | Marine | Pomacentrus alleni |
| Indonesian Domino Damselfish | Perciformes | Marine | Dascyllus trimaculatus |
| Indonesian Dottyback | Perciformes | Marine | Pseudochromis fuscus |
| Indonesian Dragonet | Perciformes | Marine | Synchiropus splendidus |
| Indonesian Eel | Anguilliformes | Freshwater/Brackish | Anguilla marmorata |
| Indonesian Electric Ray | Torpediniformes | Marine | Torpedo indica |
| Indonesian Fanfish | Perciformes | Marine | Goniistius zonatus |
| Indonesian Flagtail | Perciformes | Freshwater/Brackish | Kuhlia rupestris |
| Indonesian Flounder | Pleuronectiformes | Marine | Pseudorhombus indosinensis |
| Indonesian Fourline Wrasse | Perciformes | Marine | Paracheilinus octotaenia |
| Indonesian Frogfish | Lophiiformes | Marine | Antennarius striatus |
| Indonesian Glassfish | Perciformes | Freshwater/Brackish | Ambassis ambassis |
| Indonesian Glassy Perchlet | Perciformes | Freshwater/Brackish | Ambassis indosinensis |
| Indonesian Goatfish | Perciformes | Marine | Parupeneus indicus |
| Indonesian Goby | Gobiiformes | Marine | Gobiodon okinawae |
| Indonesian Grey Mullet | Mugiliformes | Marine/Brackish | Mugil indosinensis |
| Indonesian Grouper | Perciformes | Marine | Epinephelus fuscoguttatus |
| Indonesian Grunter | Perciformes | Marine | Pomadasys argenteus |
| Indonesian Guitarfish | Rhinopristiformes | Marine | Rhinobatos hynnicephalus |
| Indonesian Halfbeak | Beloniformes | Marine | Hemiramphus far |
| Indonesian Hawkfish | Perciformes | Marine | Paracirrhites forsteri |
| Indonesian Houndshark | Carcharhiniformes | Marine | Mustelus manazo |
| Indonesian Humphead Parrotfish | Perciformes | Marine | Bolbometopon muricatum |
| Indonesian Lanternfish | Myctophiformes | Marine | Diaphus watasei |
| Indonesian Leopard Eel | Anguilliformes | Marine | Gymnothorax kidako |
| Indonesian Leopard Shark | Carcharhiniformes | Marine | Triakis scyllium |
| Indonesian Leopard Wrasse | Perciformes | Marine | Macropharyngodon meleagris |
| Indonesian Lizardfish | Aulopiformes | Marine | Synodus indicus |
| Indonesian Mackerel | Scombriformes | Marine | Rastrelliger brachysoma |
| Indonesian Mojarra | Perciformes | Marine/Brackish | Gerres indicus |
| Indonesian Moray | Anguilliformes | Marine | Gymnothorax fimbriatus |
| Indonesian Napoleon Wrasse | Perciformes | Marine | Cheilinus undulatus |
| Indonesian Needlefish | Beloniformes | Marine | Strongylura indosinensis |
| Indonesian Nudibranch | Nudibranchia | Marine | Chromodoris magnifica |
| Indonesian Parrotfish | Perciformes | Marine | Chlorurus sordidus |
| Indonesian Pineapplefish | Beryciformes | Marine | Cleidopus gloriamaris |
| Indonesian Pipefish | Syngnathiformes | Marine | Corythoichthys intestinalis |
| Indonesian Puffer | Tetraodontiformes | Marine | Arothron stellatus |
| Indonesian Pufferfish | Tetraodontiformes | Marine | Lagocephalus indicus |
| Indonesian Queenfish | Carangiformes | Marine | Scomberoides commersonnianus |
| Indonesian Rabbitfish | Perciformes | Marine | Siganus spinus |
| Indonesian Razorfish | Perciformes | Marine | Xyrichtys novacula |
| Indonesian Reef Shark | Carcharhiniformes | Marine | Carcharhinus amblyrhynchos |
| Indonesian Remora | Perciformes | Marine | Echeneis naucrates |
| Indonesian Rock Cod | Perciformes | Marine | Epinephelus malabaricus |
| Indonesian Ruby Snapper | Perciformes | Marine | Etelis carbunculus |
| Indonesian Sand Goby | Perciformes | Marine | Oxyurichthys papuensis |
| Indonesian Sandperch | Perciformes | Marine | Parapercis cylindrica |
| Indonesian Sardine | Clupeiformes | Marine | Sardinella indosinensis |
| Indonesian Sawbelly | Perciformes | Freshwater | Pristolepis fasciata |
| Indonesian Scorpionfish | Scorpaeniformes | Marine | Scorpaenopsis gibbosa |
| Indonesian Sea Snake | Hydrophiinae | Marine | Laticauda colubrina |
| Indonesian Seabass | Perciformes | Freshwater/Brackish/Marine | Lates calcarifer |
| Indonesian Seal Blenny | Blenniiformes | Marine | Petroscirtes indica |
| Indonesian Seamoth | Pegasiformes | Marine | Pegasus lancifer |
| Indonesian Seamouth | Aulopiformes | Marine | Bathypterois longicauda |
| Indonesian Sharkfin Ray | Rhinopristiformes | Marine | Rhina ancylostoma |
| Indonesian Shortnose Unicornfish | Perciformes | Marine | Naso brevirostris |
| Indonesian Silverside | Atheriniformes | Marine | Atherinomorus lacunosus |
| Indonesian Snake Eel | Anguilliformes | Marine | Ophichthus indicus |
| Indonesian Snapper | Perciformes | Marine | Lutjanus fulvus |
| Indonesian Sole | Pleuronectiformes | Marine | Solea ovata |
| Indonesian Spadefish | Perciformes | Marine | Platax boersii |
| Indonesian Spinefoot | Perciformes | Marine | Siganus javus |
| Indonesian Spiny Lobster | Decapoda | Marine | Panulirus penyaladi |
| Indonesian Spotted Moray | Anguilliformes | Marine | Gymnothorax isingletus |
| Indonesian Squirrelfish | Beryciformes | Marine | Sargocentron rubrum |
| Indonesian Stargazer | Perciformes | Marine | Uranoscopus bicinctus |
| Indonesian Stingray | Myliobatiformes | Marine | Dasyatis undulata |
| Indonesian Stonefish | Scorpaeniformes | Marine | Synanceia horrida |
| Indonesian Surgeonfish | Perciformes | Marine | Acanthurus leucosternon |
| Indonesian Sweetlips | Perciformes | Marine | Plectorhinchus lineatus |
| Indonesian Tilefish | Perciformes | Marine | Malacanthus brevirostris |
| Indonesian Triggerfish | Tetraodontiformes | Marine | Sufflamen bursa |
| Indonesian Yellowtail Snapper | Perciformes | Marine | Lutjanus johnii |
| Indonesian Zeus | Zeiformes | Marine | Zeus faber |
| Indostomus crocodilus | Syngnathiformes | Freshwater | Indostomus crocodilus |
| Indostomus fuscus | Syngnathiformes | Freshwater | Indostomus fuscus |
| Indostomus paradoxus | Syngnathiformes | Freshwater | Indostomus paradoxus |
| Indostomus spinosa | Indostomiformes | Freshwater | Indostomus spinosa |
| Indostomus spinosus | Syngnathiformes | Freshwater | Indostomus spinosus |
| Indriscus longirostris | Characiformes | Freshwater | Indriscus longirostris |
| Induced Wrasse | Perciformes | Marine | Halichoeres marginatus |
| Inermia vittata | Perciformes | Marine | Inermia vittata |
| Inermiidae | Perciformes | Marine | Inermiidae |
| Infanta Anthias | Perciformes | Marine | Pseudanthias infanta |
| Infanta Damselfish | Perciformes | Marine | Chromis infanta |
| Infaunal Worm Eel | Anguilliformes | Marine | Bascanichthys bascanium |
| Infernal Moray | Anguilliformes | Marine | Gymnothorax infernalis |
| Infrared Conger Eel | Anguilliformes | Marine | Conger conger |
| Infravomer longiceps | Perciformes | Marine (extinct) | Infravomer longiceps |
| Ingerichthys macrops | Lophiiformes | Marine | Ingerichthys macrops |
| Ingerichthys marleyi | Siluriformes | Freshwater | Ingerichthys marleyi |
| Ingeromimus barbulatus | Siluriformes | Freshwater | Ingeromimus barbulatus |
| Ingolfiella abyssi | Amphipoda | Marine | Ingolfiella abyssi |
| Ingolfiella mirabilis | Amphipoda | Marine | Ingolfiella mirabilis |
| Inhabitant Grouper | Perciformes | Marine | Epinephelus microdon |
| Inia geoffrensis | Cetacea | Freshwater | Inia geoffrensis |
| Iniistius bimaculatus | Perciformes | Marine | Iniistius bimaculatus |
| Iniistius celebicus | Perciformes | Marine | Iniistius celebicus |
| Iniistius cyanopleura | Labriformes | Marine | Iniistius cyanopleura |
| Iniistius deborah | Labriformes | Marine | Iniistius deborah |
| Iniistius evides | Labriformes | Marine | Iniistius evides |
| Iniistius geisha | Labriformes | Marine | Iniistius geisha |
| Iniistius geoffroy | Perciformes | Marine | Iniistius geoffroy |
| Iniistius griffithsi | Perciformes | Marine | Iniistius griffithsi |
| Iniistius jacksonensis | Perciformes | Marine | Iniistius jacksonensis |
| Iniistius leslieae | Perciformes | Marine | Iniistius leslieae |
| Iniistius leucozonus | Labriformes | Marine | Iniistius leucozonus |
| Iniistius melanopus | Labriformes | Marine | Iniistius melanopus |
| Iniistius microps | Labriformes | Marine | Iniistius microps |
| Iniistius opalus | Perciformes | Marine | Iniistius opalus |
| Iniistius pavo | Labriformes | Marine | Iniistius pavo |
| Iniistius pentadactylus | Perciformes | Marine | Iniistius pentadactylus |
| Iniistius spilonotus | Perciformes | Marine | Iniistius spilonotus |
| Iniistius trivittatus | Perciformes | Marine | Iniistius trivittatus |
| Iniistius twistii | Perciformes | Marine | Iniistius twistii |
| Iniistius verrens | Perciformes | Marine | Iniistius verrens |
| Inimegodaia gobioides | Perciformes | Marine | Inimicus didactylus |
| Inimicus armatus | Scorpaeniformes | Marine | Inimicus armatus |
| Inimicus brachyrhynchus | Scorpaeniformes | Marine | Inimicus brachyrhynchus |
| Inimicus caledonicus | Scorpaeniformes | Marine | Inimicus caledonicus |
| Inimicus cuvieri | Scorpaeniformes | Marine | Inimicus cuvieri |
| Inimicus didactylus | Scorpaeniformes | Marine | Inimicus didactylus |
| Inimicus filamentosus | Scorpaeniformes | Marine | Inimicus filamentosus |
| Inimicus grallator | Scorpaeniformes | Marine | Inimicus grallator |
| Inimicus gruveli | Scorpaeniformes | Marine | Inimicus gruveli |
| Inimicus japonensis | Scorpaeniformes | Marine | Inimicus japonensis |
| Inimicus japonicus | Scorpaeniformes | Marine | Inimicus japonicus |
| Inimicus joubini | Scorpaeniformes | Marine | Inimicus joubini |
| Inimicus sinensis | Scorpaeniformes | Marine | Inimicus sinensis |
| Inimicus smirnovi | Scorpaeniformes | Marine | Inimicus smirnovi |
| Inimicus snyderi | Scorpaeniformes | Marine | Inimicus snyderi |
| Inimicus taylori | Scorpaeniformes | Marine | Inimicus taylori |
| Inimicus thomsoni | Scorpaeniformes | Marine | Inimicus thomsoni |
| Iniomi | Aulopiformes | Marine | Iniomi |
| Inius fuscus | Perciformes | Marine | Inimicus didactylus |
| Inka Stonefish | Scorpaeniformes | Marine | Synanceia horrida |
| Inka clarkae | Cyprinodontiformes | Freshwater | Inka clarkae |
| Inkfish | Not a fish | Marine | Cephalopoda |
| Innocent Blenny | Blenniiformes | Marine | Chasmodes innocens |
| Inocopterus | Perciformes | Marine | Inocopterus |
| Inopsetta ischyra | Pleuronectiformes | Marine | Inopsetta ischyra |
| Inpaichthys kerri | Characiformes | Freshwater | Inpaichthys kerri |
| Inquire Stingray | Myliobatiformes | Brackish | Dasyatis fluviorum |
| Inquisitor flavicanthus | Clupeiformes | Marine | Inquisitor flavicanthus |
| Inshore Lizardfish | Aulopiformes | Western Atlantic | Synodus foetens |
| Inshore Queenfish | Carangiformes | Marine | Scomberoides commersonnianus |
| Inshore Reef Goby | Gobiiformes | Marine | Gobiodon rivulatus |
| Inshore Rockfish | Perciformes | Marine | Sebastes mystinus |
| Inshore Squid | Teuthida | Marine | Loligo pealeii |
| Inshore Turbot | Pleuronectiformes | Marine | Platichthys stellatus |
| Insidiator | Scorpaeniformes | Marine | Insidiator |
| Insidiator barbatus | Scorpaeniformes | Marine | Insidiator barbatus |
| Insidiator exiguus | Scorpaeniformes | Marine | Insidiator exiguus |
| Insidiator neglectus | Scorpaeniformes | Marine | Insidiator neglectus |
| Insidiator rodericensis | Scorpaeniformes | Marine | Insidiator rodericensis |
| Insignia Cardinalfish | Perciformes | Marine | Apogon lachneri |
| Insignia Sandperch | Perciformes | Marine | Parapercis signata |
| Insignia Snake Eel | Anguilliformes | Marine | Ophichthus insignia |
| Insitor labronasus | Characiformes | Freshwater | Insitor labronasus |
| Insolent Anglerfish | Lophiiformes | Marine | Lophius piscatorius |
| Insular Cardinalfish | Perciformes | Marine | Apogon insulensis |
| Insular Damselfish | Perciformes | Marine | Chromis insularis |
| Insular Flounder | Pleuronectiformes | Marine | Crossorhombus insularis |
| Insular Goatfish | Perciformes | Marine | Upeneus insularis |
| Insular Grubfish | Perciformes | Marine | Parapercis insularis |
| Insular Pipefish | Syngnathiformes | Marine | Ichthyocampus insularis |
| Insular Sanddiver | Perciformes | Marine | Trichonotus insularum |
| Integerrima Damselfish | Perciformes | Marine | Pomacentrus integerrimus |
| Integripelta | Clupeiformes | Marine | Integripelta |
| Intermediate Barb | Cypriniformes | Freshwater | Barbodes gonionotus |
| Intermediate Blenny | Blenniiformes | Marine | Entomacrodus intermedius |
| Intermediate Damselfish | Perciformes | Marine | Pomacentrus intermedius |
| Intermediate Flounder | Pleuronectiformes | Marine | Paralichthys dentatus |
| Intermediate Moray | Anguilliformes | Marine | Gymnothorax intermedius |
| Intermediate Silverside | Atheriniformes | Marine | Atherinomorus insularum |
| Intermediate Sole | Pleuronectiformes | Marine | Solea intermedius |
| Intermediate Spikefish | Tetraodontiformes | Marine | Triacanthus biaculeatus |
| Intermedius Lizardfish | Aulopiformes | Marine | Synodus intermedius |
| International Grunt | Perciformes | Marine | Pomadasys incisus |
| Intertidal Blenny | Blenniiformes | Marine | Lipophrys pholis |
| Inthaia dabryi | Cypriniformes | Freshwater | Inthaia dabryi |
| Intonsa | Gadiformes | Marine | Intonsa |
| Intonsus Brotula | Ophidiiformes | Marine | Barathronus intonsus |
| Invercargill Leatherjacket | Tetraodontiformes | Marine | Meuschenia scaber |
| Investigator Gurnard | Scorpaeniformes | Marine | Pterygotrigla investigatoris |
| Investigator Snake Eel | Anguilliformes | Marine | Ophichthus investigatoris |
| Invisigobius baliomus | Gobiiformes | Marine | Invisigobius baliomus |
| Invisigobius cinctus | Gobiiformes | Marine | Invisigobius cinctus |
| Iohaniella abyssicola | Perciformes | Marine | Iohaniella abyssicola |
| Iotabrycon | Characiformes | Freshwater | Iotabrycon |
| Iotabrycon praecox | Characiformes | Freshwater | Iotabrycon praecox |
| Iowa Darter | Perciformes | North America | Etheostoma exile |
| Iphiclides podalirius | Lepidoptera | Terrestrial (Larval stage aquatic) | Iphiclides podalirius |
| Ira's Dragonet | Perciformes | Marine | Synchiropus iracundus |
| Iracema horrida | Synbranchiformes | Freshwater | Iracema horrida |
| Irambilichthys | Perciformes | Marine | Irambilichthys |
| Iranocichla hormuzensis | Cichliformes | Freshwater | Iranocichla hormuzensis |
| Iranocichla persa | Cichliformes | Freshwater | Iranocichla persa |
| Iraqi Lizardfish | Aulopiformes | Marine | Saurida tumbil |
| Iravadi Dolphin | Cetacea | Brackish/Marine | Orcaella brevirostris |
| Iredaleichthys lischeae | Perciformes | Marine | Iredaleichthys lischeae |
| Ireto | Perciformes | Marine | Ireto |
| Iridescent Shark | Siluriformes | Southeast Asia | Pangasianodon hypophthalmus |
| Iridio | Labriformes | Marine | Iridio |
| Iridophanes | Cypriniformes | Freshwater | Iridophanes |
| Irineia | Siluriformes | Freshwater | Irineia |
| Irinolabeo mesopotamicus | Cypriniformes | Freshwater | Irinolabeo mesopotamicus |
| Iris Cichlid | Cichliformes | Freshwater | Thorichthys aureus |
| Ironclad Betta | Anabantiformes | Freshwater | Betta enisae |
| Ironclad Catfish | Siluriformes | Freshwater | Oxydoras niger |
| Ironjaw Threadfin Bream | Perciformes | Marine | Nemipterus peronii |
| Ironwood Darter | Perciformes | Freshwater | Etheostoma jessiae |
| Irukandji | Carcharhiniformes | Marine | Carcharhinus leucas |
| Irvine Barbel | Cypriniformes | Freshwater | Barbus irvinensis |
| Isabel Reef Grouper | Perciformes | Marine | Epinephelus corallicola |
| Isabel's Wrasse | Perciformes | Marine | Cirrhilabrus isabellae |
| Isabelia | Gastropoda | Marine | Isabelia isabella |
| Isabelita | Perciformes | Marine | Holacanthus ciliaris |
| Isaki | Perciformes | Marine | Parapristipoma trilineatum |
| Isaza | Perciformes | Freshwater | Gymnogobius isaza |
| Ischnacanthidae | Acanthodii | Fossil Freshwater/Marine | Ischnacanthidae |
| Ischnacanthus griggsi | Acanthodii | Freshwater (fossil) | Ischnacanthus griggsi |
| Ischnochiton textilis | Chitonida | Marine | Ischnochiton textilis |
| Ischnomylus | Gadiformes | Marine | Ischnomylus |
| Ischnomylus obscurus | Percomorpha | Marine | Ischnomylus obscurus |
| Ischnopsetta | Pleuronectiformes | Marine | Ischnopsetta triocellata |
| Ischnopsis | Perciformes | Marine | Ischnopsis |
| Ischnopsis rhabdomi | Perciformes | Marine | Ischnopsis rhabdomi |
| Ischyroconger | Anguilliformes | Marine | Ischyroconger |
| Isichthys henryi | Osteoglossiformes | Freshwater | Isichthys henryi |
| Isistius brasiliensis | Squaliformes | Marine | Isistius brasiliensis |
| Isistius labialis | Squaliformes | Marine | Isistius labialis |
| Isistius microdontus | Squaliformes | Marine | Isistius microdontus |
| Isistius plutodus | Squaliformes | Marine | Isistius plutodus |
| Island Pipefish | Syngnathiformes | Marine | Syngnathus acus |
| Island Trevally | Carangiformes | Indo-Pacific | Carangoides orthogrammus |
| Islands Glassfish | Perciformes | Freshwater | Chanda nama |
| Iso | Atheriniformes | Marine | Iso |
| Isocarassius praecursor | Cypriniformes | Freshwater (fossil) | Isocarassius praecursor |
| Isocheles | Perciformes | Marine | Isocheles |
| Isoclinus | Perciformes | Marine | Isoclinus |
| Isocynus | Characiformes | Freshwater | Isocynus |
| Isoglossa delicata | Perciformes | Marine | Isoglossa delicata |
| Isogomphodon oxyrhynchus | Carcharhiniformes | Marine | Isogomphodon oxyrhynchus |
| Isohalichores bleekeri | Perciformes | Marine | Isohalichores bleekeri |
| Isolux piscator | Myliobatiformes | Marine | Rhinoptera javanica |
| Isoma | Perciformes | Marine | Isoma |
| Isomias | Perciformes | Marine | Isomias |
| Isopogon | Perciformes | Marine | Isopogon |
| Isopogon axillaris | Perciformes | Marine | Isopogon axillaris |
| Isopsetta isolepis | Pleuronectiformes | Marine | Isopsetta isolepis |
| Isosceles | Perciformes | Marine | Isosceles |
| Isoshyngna filiformis | Syngnathiformes | Marine | Isoshyngna filiformis |
| Isoshyngna leptocephala | Syngnathiformes | Marine | Isoshyngna leptocephala |
| Isoshyngna obtusirostris | Syngnathiformes | Marine | Isoshyngna obtusirostris |
| Isospondyli | Clupeiformes | Marine/Freshwater | Isospondyli |
| Israeli Carp | Cypriniformes | Israel (a breed of common carp) | Cyprinus carpio |
| Istigobius | Gobiiformes | Marine | Istigobius |
| Istiompax indica | Istiophoriformes | Marine | Istiompax indica |
| Istiophorus platypterus | Istiophoriformes | Marine | Istiophorus platypterus |
| Isurichthys microlepis | Aulopiformes | Marine | Isurichthys microlepis |
| Ityphlos squamosus | Syngnathiformes | Marine | Ityphlos squamosus |
| Ivana fish | Pleuronectiformes | Marine | Pleuronectes platessa |
| Ivanaia | Perciformes | Freshwater | Ivanaia strigata |
| Ive's Goby | Gobiiformes | Marine | Gobiodon rivulatus |
| Ivory Brotula | Ophidiiformes | Marine | Brotula clarkae |
| Ivory Coral Goby | Gobiiformes | Marine | Gobiodon albonuchalis |
| Iwamoto's Anglerfish | Lophiiformes | Marine | Lophiomus setigerus |
| Iwatella | Perciformes | Marine | Iwatella naga |
| Ixora brevirhamphus | Acanthuriformes | Marine | Ixora brevirhamphus |