There are 973 fish that start with the letter L, from La Plata River Ray to Lythrurus. 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: La Plata River Ray
Order: Myliobatiformes
Habitat: Freshwater
Scientific name: Potamotrygon brachyura
Name: La Plata Sturgeon
Order: Acipenseriformes
Habitat: Freshwater
Scientific name: Acipenser platyrhynchus
Name: Labeo alluaudi
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo alluaudi
Name: Labeo annectens
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo annectens
Name: Labeo artedi
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo artedi
Name: Labeo barbatulus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo barbatulus
Name: Labeo barbatus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo barbatus
Name: Labeo bata
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo bata
Name: Labeo boga
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo boga
Name: Labeo borealis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo borealis
Name: Labeo bottegi
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo bottegi
Name: Labeo boulengeri
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo boulengeri
Name: Labeo brachypoma
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo brachypoma
Name: Labeo brevipinnis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo brevipinnis
Name: Labeo brunellii
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo brunellii
Name: Labeo calbasu
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo calbasu
Name: Labeo camerunensis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo camerunensis
Name: Labeo capensis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo capensis
Name: Labeo carens
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo carens
Name: Labeo chariensis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo chariensis
Name: Labeo chrysophekadion
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo chrysophekadion
Name: Labeo coubie
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo coubie
Name: Labeo curchi
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo curchi
Name: Labeo curtus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo curtus
Name: Labeo cyclorhynchus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo cyclorhynchus
Name: Labeo degeni
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo degeni
Name: Labeo dhonti
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo dhonti
Name: Labeo dussumieri
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo dussumieri
Name: Labeo dyocheilus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo dyocheilus
Name: Labeo erythropterus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo erythropterus
Name: Labeo falcipinnis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo falcipinnis
Name: Labeo fimbriatus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo fimbriatus
Name: Labeo forskalii
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo forskalii
Name: Labeo fuelleborni
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo fuelleborni
Name: Labeo goniocheilus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo goniocheilus
Name: Labeo gonius
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo gonius
Name: Labeo greeni
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo greeni
Name: Labeo horie
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo horie
Name: Labeo indus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo indus
Name: Labeo kawrus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo kawrus
Name: Labeo kibiki
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo kibiki
Name: Labeo kirkii
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo kirkii
Name: Labeo kontius
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo kontius
Name: Labeo krohni
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo krohni
Name: Labeo langi
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo langi
Name: Labeo lankae
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo lankae
Name: Labeo lineatus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo lineatus
Name: Labeo longipinnis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo longipinnis
Name: Labeo lubinae
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo lubinae
Name: Labeo lunatus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo lunatus
Name: Labeo macmahoni
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo macmahoni
Name: Labeo maleboensis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo maleboensis
Name: Labeo meroensis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo meroensis
Name: Labeo microphthalmus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo microphthalmus
Name: Labeo minutus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo minutus
Name: Labeo mokotoensis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo mokotoensis
Name: Labeo molybdinus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo molybdinus
Name: Labeo moszkowskii
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo moszkowskii
Name: Labeo mweruensis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo mweruensis
Name: Labeo nandina
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo nandina
Name: Labeo nasus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo nasus
Name: Labeo nigricans
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo nigricans
Name: Labeo nigripinnis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo nigripinnis
Name: Labeo niloticus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo niloticus
Name: Labeo pellegrini
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo pellegrini
Name: Labeo percivali
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo percivali
Name: Labeo pierrei
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo pierrei
Name: Labeo pietschmanni
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo pietschmanni
Name: Labeo polystigma
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo polystigma
Name: Labeo porcellus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo porcellus
Name: Labeo rohita
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo rohita
Name: Labeo roseopunctatus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo roseopunctatus
Name: Labeo rubromaculatus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo rubromaculatus
Name: Labeo ruddi
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo ruddi
Name: Labeo seeberi
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo seeberi
Name: Labeo senegalensis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo senegalensis
Name: Labeo simpsoni
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo simpsoni
Name: Labeo sorex
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo sorex
Name: Labeo spininger
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo spininger
Name: Labeo stoliczkai
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo stoliczkai
Name: Labeo trigonocephalus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo trigonocephalus
Name: Labeo tylopeltis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo tylopeltis
Name: Labeo umbratus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo umbratus
Name: Labeo victorianus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo victorianus
Name: Labeo worthingtoni
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo worthingtoni
Name: Labeo yunnanensis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo yunnanensis
Name: Labeobarbus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeobarbus
Name: Labeobarbus altianalis
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeobarbus altianalis
Name: Labeobarbus brevicauda
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeobarbus brevicauda
Name: Labeotropheus fuelleborni
Order: Cichliformes
Habitat: Freshwater – Lake Malawi
Scientific name: Labeotropheus fuelleborni
Name: Labes
Order: Perciformes
Habitat: Marine
Scientific name: Labes
Name: Labichthys
Order: Anguilliformes
Habitat: Marine
Scientific name: Labichthys
Name: Labidesthes sicculus
Order: Atheriniformes
Habitat: Freshwater
Scientific name: Labidesthes sicculus
Name: Labiobarbus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labiobarbus
Name: Labracinus cyclophthalmus
Order: Perciformes
Habitat: Marine – Western Pacific
Scientific name: Labracinus cyclophthalmus
Name: Labracinus dorsalis
Order: Perciformes
Habitat: Marine
Scientific name: Labracinus dorsalis
Name: Labracinus lineatus
Order: Perciformes
Habitat: Marine
Scientific name: Labracinus lineatus
Name: Labracinus melanotaenia
Order: Perciformes
Habitat: Marine
Scientific name: Labracinus melanotaenia
Name: Labracoglossa argenteiventris
Order: Perciformes
Habitat: Marine
Scientific name: Labracoglossa argenteiventris
Name: Labracoglossa orientalis
Order: Perciformes
Habitat: Marine
Scientific name: Labracoglossa orientalis
Name: Labracoglossa typica
Order: Perciformes
Habitat: Marine
Scientific name: Labracoglossa typica
Name: Labracoglossum nigromarginatum
Order: Perciformes
Habitat: Marine
Scientific name: Labracoglossum nigromarginatum
Name: Labrax
Order: Perciformes
Habitat: Marine
Scientific name: Labrax
Name: Labrichthys unilineatus
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Labrichthys unilineatus
Name: Labridae
Order: Perciformes
Habitat: Marine
Scientific name: Labridae
Name: Labrisomus
Order: Perciformes
Habitat: Marine
Scientific name: Labrisomus
Name: Labrisomus bucciferus
Order: Blenniiformes
Habitat: Marine
Scientific name: Labrisomus bucciferus
Name: Labrisomus haitiensis
Order: Blenniiformes
Habitat: Marine
Scientific name: Labrisomus haitiensis
Name: Labroides
Order: Perciformes
Habitat: Marine
Scientific name: Labroides
Name: Labroides bicolor
Order: Perciformes
Habitat: Marine
Scientific name: Labroides bicolor
Name: Labroides dimidiatus
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Labroides dimidiatus
Name: Labroides pectoralis
Order: Perciformes
Habitat: Marine
Scientific name: Labroides pectoralis
Name: Labroides phthirophagus
Order: Perciformes
Habitat: Marine
Scientific name: Labroides phthirophagus
Name: Labroides rubrolabiatus
Order: Perciformes
Habitat: Marine
Scientific name: Labroides rubrolabiatus
Name: Labropsis manabei
Order: Perciformes
Habitat: Marine – Western Pacific
Scientific name: Labropsis manabei
Name: Labrosparus
Order: Perciformes
Habitat: Marine
Scientific name: Labrosparus
Name: Labrus
Order: Perciformes
Habitat: Marine
Scientific name: Labrus
Name: Labrus bergylta
Order: Perciformes
Habitat: Marine
Scientific name: Labrus bergylta
Name: Labrus mixtus
Order: Perciformes
Habitat: Marine
Scientific name: Labrus mixtus
Name: Labrus viridis
Order: Perciformes
Habitat: Marine
Scientific name: Labrus viridis
Name: Labsicarpio
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labsicarpio
Name: Labyrinth Catfish
Order: Siluriformes
Habitat: Freshwater: Asia
Scientific name: Clarias batrachus
Name: Lace Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax favagineus
Name: Lacer
Order: Perciformes
Habitat: Marine: Atlantic and Mediterranean
Scientific name: Lacerdae
Name: Lachner's Moray
Order: Anguilliformes
Habitat: Marine: coral reefs in Indo-Pacific
Scientific name: Gymnothorax lachneri
Name: Lachnolaimus maximus
Order: Perciformes
Habitat: Marine
Scientific name: Lachnolaimus maximus
Name: Lactarius lactarius
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Lactarius lactarius
Name: Lactoria cornuta
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Lactoria cornuta
Name: Lactoria diaphana
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Lactoria diaphana
Name: Lactoria fornasini
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Lactoria fornasini
Name: Lacustrine Sculpin
Order: Scorpaeniformes
Habitat: Freshwater: lakes and rivers in North America
Scientific name: Cottus confusus
Name: Ladigesia roloffi
Order: Characiformes
Habitat: Freshwater – West Africa
Scientific name: Ladigesia roloffi
Name: Ladyfish
Order: Elopiformes
Habitat: Coastal and estuarine
Scientific name: Elops saurus
Name: Laemolyta
Order: Characiformes
Habitat: Freshwater
Scientific name: Laemolyta
Name: Laemonema goodebeanorum
Order: Gadiformes
Habitat: Marine – Western Atlantic
Scientific name: Laemonema goodebeanorum
Name: Laemonema longipes
Order: Gadiformes
Habitat: Deep Marine
Scientific name: Laemonema longipes
Name: Laemonema melananthera
Order: Gadiformes
Habitat: Deep Marine
Scientific name: Laemonema melananthera
Name: Laemonema modestum
Order: Gadiformes
Habitat: Deep Marine
Scientific name: Laemonema modestum
Name: Laemonema multiradiatum
Order: Gadiformes
Habitat: Deep Marine
Scientific name: Laemonema multiradiatum
Name: Laemonema nana
Order: Gadiformes
Habitat: Deep Marine
Scientific name: Laemonema nana
Name: Laemonema nudirostre
Order: Gadiformes
Habitat: Deep Marine
Scientific name: Laemonema nudirostre
Name: Laemonema robustum
Order: Gadiformes
Habitat: Deep Marine
Scientific name: Laemonema robustum
Name: Laemonema verecundum
Order: Gadiformes
Habitat: Deep Marine
Scientific name: Laemonema verecundum
Name: Lafayette
Order: Perciformes
Habitat: Marine
Scientific name: Leiostomus xanthurus
Name: Lagarodus parviceps
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Lagarodus parviceps
Name: Lagena
Order: Perciformes
Habitat: Marine
Scientific name: Lagena
Name: Lagergreniella
Order: Gadiformes
Habitat: Marine
Scientific name: Lagergreniella
Name: Lagniappe armatum
Order: Perciformes
Habitat: Marine
Scientific name: Lagniappe armatum
Name: Lagocephalus
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Lagocephalus
Name: Lagocephalus guentheri
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Lagocephalus guentheri
Name: Lagocephalus lagocephalus
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Lagocephalus lagocephalus
Name: Lagocephalus lunaris
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Lagocephalus lunaris
Name: Lagocephalus sceleratus
Order: Tetraodontiformes
Habitat: Marine – Indo-Pacific
Scientific name: Lagocephalus sceleratus
Name: Lagocephalus spadiceus
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Lagocephalus spadiceus
Name: Lagocephalus suezensis
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Lagocephalus suezensis
Name: Lagocheirus
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Arothron
Name: Lagodon
Order: Perciformes
Habitat: Marine
Scientific name: Lagodon
Name: Lagodon rhomboides
Order: Perciformes
Habitat: Marine – Western Atlantic
Scientific name: Lagodon rhomboides
Name: Lagoon Damselfish
Order: Perciformes
Habitat: Marine
Scientific name: Pomacentrus trivittatus
Name: Lagophtalmus
Order: Aulopiformes
Habitat: Marine
Scientific name: Lagophtalmus
Name: Lagostomus
Order: Siluriformes
Habitat: Freshwater
Scientific name: Lagostomus
Name: Laguna Beach Fish
Order: Actinopterygii
Habitat: Marine
Scientific name: Laguna Beach Fish
Name: Lahille's Catfish
Order: Siluriformes
Habitat: Freshwater rivers
Scientific name: Pimelodus lahillei
Name: Lahillea
Order: Lophiiformes
Habitat: Marine
Scientific name: Lahillea
Name: Lahontan Cutthroat
Order: Salmoniformes
Habitat: Freshwater
Scientific name: Oncorhynchus clarkii henshawi
Name: Lahontan Cutthroat Trout
Order: Salmoniformes
Habitat: Freshwater
Scientific name: Oncorhynchus clarkii henshawi
Name: Laimosemion
Order: Cyprinodontiformes
Habitat: Freshwater – South America
Scientific name: Laimosemion
Name: Laius
Order: Atheriniformes
Habitat: Freshwater
Scientific name: Laius
Name: Lake Charr
Order: Salmoniformes
Habitat: Cold freshwater lakes
Scientific name: Salvelinus namaycush
Name: Lake Chubsucker
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Erimyzon sucetta
Name: Lake Herring
Order: Salmoniformes
Habitat: Freshwater: cold lakes in North America
Scientific name: Coregonus artedi
Name: Lake Sturgeon
Order: Acipenseriformes
Habitat: Freshwater lakes and rivers
Scientific name: Acipenser fulvescens
Name: Lake Tanganyikan Sardine
Order: Clupeiformes
Habitat: Freshwater
Scientific name: Limnothrissa miodon
Name: Lake Trout
Order: Salmoniformes
Habitat: Cold freshwater lakes
Scientific name: Salvelinus namaycush
Name: Lake Whitefish
Order: Salmoniformes
Habitat: Freshwater: cold lakes in North America
Scientific name: Coregonus clupeaformis
Name: Lake Whiting
Order: Gadiformes
Habitat: Coastal marine
Scientific name: Merlangius merlangus
Name: Lakeland Mudfish
Order: Perciformes
Habitat: Freshwater
Scientific name: Neochanna apoda
Name: Lakoclippeidae
Order: Perciformes
Habitat: Marine (fossil family)
Scientific name: Lakoclippeidae
Name: Lalia
Order: Perciformes
Habitat: Freshwater
Scientific name: Trichogaster lalius
Name: Lamb Fish
Order: Perciformes
Habitat: Freshwater
Scientific name: Labeo calbasu
Name: Lambdoptena
Order: Perciformes
Habitat: Marine
Scientific name: Lambdoptena
Name: Lambe
Order: Perciformes
Habitat: Marine
Scientific name: Caesio cuning
Name: Lambi
Order: Anguilliformes
Habitat: Marine
Scientific name: Muraena
Name: Lamellodiscus
Order: Monogenea
Habitat: Parasitic
Scientific name: Lamellodiscus
Name: Lamelloperca
Order: Perciformes
Habitat: Marine
Scientific name: Lamelloperca
Name: Lamia
Order: Lampriformes
Habitat: Marine
Scientific name: Lamia
Name: Lamiak
Order: Perciformes
Habitat: Freshwater
Scientific name: Labeo
Name: Lamichthys
Order: Lampriformes
Habitat: Marine
Scientific name: Lamichthys
Name: Lamiidae
Order: Perciformes
Habitat: Deep marine
Scientific name: Lamia dentata
Name: Lamna ditropis
Order: Lamniformes
Habitat: Marine – North Pacific
Scientific name: Lamna ditropis
Name: Lamna nasus
Order: Lamniformes
Habitat: Marine – North Atlantic
Scientific name: Lamna nasus
Name: Lamniformes
Order: Lamniformes
Habitat: Marine
Scientific name: Lamniformes
Name: Lampanyctus
Order: Myctophiformes
Habitat: Marine
Scientific name: Lampanyctus
Name: Lampanyctus alatus
Order: Myctophiformes
Habitat: Marine
Scientific name: Lampanyctus alatus
Name: Lampanyctus crocodilus
Order: Myctophiformes
Habitat: Deep Marine
Scientific name: Lampanyctus crocodilus
Name: Lampanyctus guentheri
Order: Myctophiformes
Habitat: Deep Marine
Scientific name: Lampanyctus guentheri
Name: Lampanyctus intricarius
Order: Myctophiformes
Habitat: Deep Marine
Scientific name: Lampanyctus intricarius
Name: Lampanyctus macropterus
Order: Myctophiformes
Habitat: Marine
Scientific name: Lampanyctus macropterus
Name: Lampea
Order: Lampriformes
Habitat: Marine
Scientific name: Lampea
Name: Lampetra
Order: Petromyzontiformes
Habitat: Freshwater/Marine
Scientific name: Lampetra
Name: Lampetra appendix
Order: Petromyzontiformes
Habitat: Freshwater
Scientific name: Lampetra appendix
Name: Lampetra ayresii
Order: Petromyzontiformes
Habitat: Freshwater
Scientific name: Lampetra ayresii
Name: Lampetra fluviatilis
Order: Petromyzontiformes
Habitat: Freshwater
Scientific name: Lampetra fluviatilis
Name: Lampetra planeri
Order: Petromyzontiformes
Habitat: Freshwater
Scientific name: Lampetra planeri
Name: Lampetra tridentata
Order: Petromyzontiformes
Habitat: Freshwater
Scientific name: Lampetra tridentata
Name: Lampfish
Order: Myctophiformes
Habitat: Marine: deep ocean
Scientific name: Myctophidae
Name: Lamphornis
Order: Siluriformes
Habitat: Freshwater
Scientific name: Lamphornis
Name: Lamphredus
Order: Teleostei
Habitat: Deep Marine
Scientific name: Lamphredus
Name: Lampington's Surgeonfish
Order: Perciformes
Habitat: Marine
Scientific name: Acanthurus lamingtonii
Name: Lampis
Order: Perciformes
Habitat: Marine
Scientific name: Lampis
Name: Lampocteis
Order: Ctenophora
Habitat: Deep Marine
Scientific name: Lampocteis
Name: Lamprey
Order: Petromyzontiformes
Habitat: Freshwater and Marine: temperate regions
Scientific name: Petromyzontiformes
Name: Lamprey Eel
Order: Petromyzontiformes
Habitat: Freshwater and Marine: northern hemisphere
Scientific name: Ichthyomyzon spp.
Name: Lamprichthys
Order: Cyprinodontiformes
Habitat: Freshwater lake
Scientific name: Lamprichthys tanganicanus
Name: Lamprichthys tanganicanus
Order: Cyprinodontiformes
Habitat: Freshwater – Lake Tanganyika
Scientific name: Lamprichthys tanganicanus
Name: Lampridiformes
Order: Lampridiformes
Habitat: Marine
Scientific name: Lampridiformes
Name: Lampriform
Order: Lampriformes
Habitat: Deep marine
Scientific name: Lampriforma
Name: Lampris guttatus
Order: Lampriformes
Habitat: Marine – Pelagic worldwide
Scientific name: Lampris guttatus
Name: Lamprogrammus
Order: Ophidiiformes
Habitat: Marine
Scientific name: Lamprogrammus
Name: Lamprologus
Order: Cichliformes
Habitat: Freshwater
Scientific name: Lamprologus
Name: Lamprologus brichardi
Order: Cichliformes
Habitat: Freshwater
Scientific name: Lamprologus brichardi
Name: Lampugna
Order: Carangiformes
Habitat: Marine
Scientific name: Coryphaena hippurus
Name: Lamrostoma
Order: Perciformes
Habitat: Marine
Scientific name: Lamrostoma
Name: Lanarius
Order: Perciformes
Habitat: Marine
Scientific name: Lanarius
Name: Lance Blenny
Order: Blenniiformes
Habitat: Marine: coral reefs in Indo-Pacific
Scientific name: Omobranchus ferox
Name: Lance Dragonet
Order: Perciformes
Habitat: Marine
Scientific name: Callionymus lanceolatus
Name: Lancefish
Order: Aulopiformes
Habitat: Marine
Scientific name: Alepisaurus ferox
Name: Lancelet
Order: Cephalochordata
Habitat: Marine
Scientific name: Branchiostoma
Name: Lanceolatus
Order: Perciformes
Habitat: Marine
Scientific name: Lanceolatus
Name: Lancer Dragonet
Order: Perciformes
Habitat: Marine: Atlantic Ocean
Scientific name: Callionymus bairdi
Name: Lancetfish
Order: Aulopiformes
Habitat: Marine – Deepwater worldwide
Scientific name: Alepisaurus ferox
Name: Lancing Fish
Order: Perciformes
Habitat: Marine
Scientific name: Scomberesox saurus
Name: Land Goby
Order: Gobiiformes
Habitat: Brackish/Marine
Scientific name: Oxyurichthys microlepis
Name: Land Sardine
Order: Ophidiiformes
Habitat: Freshwater
Scientific name: Macrognathus pancalus
Name: Lander's Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Samaris cristata
Name: Landing Net Fish
Order: Perciformes
Habitat: Marine
Scientific name: Psettodes erumei
Name: Lane Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus synagris
Name: Lange's Pipefish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Corythoichthys paxtoni
Name: Langsdorf's Damselfish
Order: Perciformes
Habitat: Marine
Scientific name: Pomacentrus langsdorfi
Name: Langsdorf's Spiny Oyster
Order: Ostraciidae
Habitat: Marine
Scientific name: Tetrosomus concatenatus
Name: Lantana Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus bitaeniatus
Name: Lantern Belly
Order: Myctophiformes
Habitat: Deep marine
Scientific name: Myctophum punctatum
Name: Lantern Shark
Order: Squaliformes
Habitat: Marine
Scientific name: Etmopteridae
Name: Lanternfish
Order: Myctophiformes
Habitat: Marine: deep ocean
Scientific name: Myctophidae
Name: Lapin
Order: Perciformes
Habitat: Marine
Scientific name: Holocentrus adscensionis
Name: Laputa Basslet
Order: Perciformes
Habitat: Marine
Scientific name: Liopropoma aberrans
Name: Laputa Sculpin
Order: Scorpaeniformes
Habitat: Freshwater
Scientific name: Cottus laputae
Name: Large-Scale Threadfin
Order: Polymixiiformes
Habitat: Marine
Scientific name: Polymixia nobilis
Name: Large-eye Boti
Order: Cypriniformes
Habitat: Freshwater rivers
Scientific name: Botia kubotai
Name: Large-eye Dentex
Order: Perciformes
Habitat: Marine
Scientific name: Dentex macrophthalmus
Name: Large-eye Rockfish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Sebastes marinus
Name: Large-eye Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus madras
Name: Large-eyed Dentex
Order: Perciformes
Habitat: Marine
Scientific name: Dentex macrophthalmus
Name: Large-mouth Rockfish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Sebastes kawaradae
Name: Large-scale Grubfish
Order: Perciformes
Habitat: Marine
Scientific name: Parapercis macrophthalmus
Name: Large-scaled Barbel
Order: Cypriniformes
Habitat: Freshwater rivers
Scientific name: Barbus macroscale
Name: Largemarked Snake Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Ophichthus punctifer
Name: Largemouth Black Bass
Order: Perciformes
Habitat: Freshwater
Scientific name: Micropterus salmoides
Name: Largemouth Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Antennablennius macromystax
Name: Largemouth Scorpionfish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Scorpaena notata
Name: Largemouth Sole
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Hippoglossoides platessoides
Name: Largemouth Triplefin
Order: Blenniiformes
Habitat: Marine: rocky shores in New Zealand
Scientific name: Gilloblennius abditus
Name: Largenose Catfish
Order: Siluriformes
Habitat: Freshwater
Scientific name: Pimelodus navarroi
Name: Largescale Flounder
Order: Pleuronectiformes
Habitat: Marine – North Pacific
Scientific name: Pseudopleuronectes dignabilis
Name: Largescale Four-eye
Order: Perciformes
Habitat: Marine
Scientific name: Chaetodon quadrimaculatus
Name: Largescale Mullet
Order: Mugiliformes
Habitat: Marine and Brackish: Indo-Pacific
Scientific name: Liza macrolepis
Name: Largescale Redfin
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Tribolodon hakonensis
Name: Largescale Scad
Order: Carangiformes
Habitat: Marine
Scientific name: Trachurus declivis
Name: Largescale Skate
Order: Rajiformes
Habitat: Marine
Scientific name: Raja straeleni
Name: Largescale Tonguesole
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Cynoglossus arel
Name: Largescale Triggerfish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Sufflamen bursa
Name: Largescaled Sanddiver
Order: Gymnoscopelus nicholsi
Habitat: Marine
Scientific name: Scomberesocidae
Name: Largescaled Sandfish
Order: Perciformes
Habitat: Marine
Scientific name: Arctoscopus japonicus
Name: Largespike Sole
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Symphurus spilurus
Name: Largespotted Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Stonogobiops nematodes
Name: Largespotted Gourami
Order: Anabantiformes
Habitat: Freshwater
Scientific name: Trichopodus microlepis
Name: Largespotted Grunt
Order: Perciformes
Habitat: Marine
Scientific name: Pomadasys maculatus
Name: Largespotted Skate
Order: Rajiformes
Habitat: Marine
Scientific name: Raja straeleni
Name: Largespotted Snake Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Ophichthus punctifer
Name: Largestar Skate
Order: Rajiformes
Habitat: Marine
Scientific name: Raja asterias
Name: Largetooth Flounder
Order: Pleuronectiformes
Habitat: Marine: coastal waters in Western Atlantic
Scientific name: Paralichthys dentatus
Name: Largetooth Jawfish
Order: Perciformes
Habitat: Marine
Scientific name: Opistognathus macrognathus
Name: Largetooth Sawfish
Order: Pristiformes
Habitat: Marine and Freshwater: tropical and subtropical coastal waters
Scientific name: Pristis pristis
Name: Largetooth Triggerfish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Balistes polylepis
Name: Lark Perch
Order: Perciformes
Habitat: Marine and Brackish: Indo-Pacific
Scientific name: Terapon jarbua
Name: Larkin's Pipefish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Syngnathus larteti
Name: Larpent's Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Parablennius gattorugine
Name: Larva of an eel
Order: Anguilliformes
Habitat: Marine – Open Ocean
Scientific name: Leptocephalus
Name: Larval Fish
Order: Actinopterygii
Habitat: Various
Scientific name: Larval fish
Name: Larval Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Goby larvae
Name: Larval Pipefish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Dunckerocampus dactyliophorus
Name: Lasiognathus
Order: Lophiiformes
Habitat: Marine
Scientific name: Lasiognathus
Name: Lastrea
Order: Perciformes
Habitat: Marine – Pacific
Scientific name: Lastrea
Name: Lateolabrax japonicus
Order: Perciformes
Habitat: Marine/Brackish – East Asia
Scientific name: Lateolabrax japonicus
Name: Lates
Order: Perciformes
Habitat: Freshwater
Scientific name: Lates niloticus
Name: Lates calcarifer
Order: Perciformes
Habitat: Marine/Brackish/Freshwater – Indo-Pacific
Scientific name: Lates calcarifer
Name: Lates niloticus
Order: Perciformes
Habitat: Freshwater
Scientific name: Lates niloticus
Name: Laticola
Order: Perciformes
Habitat: Marine
Scientific name: Laticola boops
Name: Latimeria
Order: Coelacanthiformes
Habitat: Marine: deep waters in Indian Ocean
Scientific name: Latimeria chalumnae
Name: Latimeria Chalumnae
Order: Coelacanthiformes
Habitat: Deep marine
Scientific name: Latimeria chalumnae
Name: Latimeria Menadoensis
Order: Coelacanthiformes
Habitat: Deep marine
Scientific name: Latimeria menadoensis
Name: Latimeria chalumnae
Order: Coelacanthiformes
Habitat: Deep Marine
Scientific name: Latimeria chalumnae
Name: Latimeria coelacanthi
Order: Coelacanthiformes
Habitat: Marine
Scientific name: Latimeria coelacanthi
Name: Latimeria menadoensis
Order: Coelacanthiformes
Habitat: Deep Marine
Scientific name: Latimeria menadoensis
Name: Latimeroidea
Order: Coelacanthiformes
Habitat: Marine
Scientific name: Latimeroidea
Name: Latimidae
Order: Coelacanthiformes
Habitat: Deep Marine
Scientific name: Latimeriidae
Name: Latin grunt
Order: Perciformes
Habitat: Marine – Eastern Pacific
Scientific name: Haemulon steindachneri
Name: Latipora
Order: Perciformes
Habitat: Marine
Scientific name: Latipora
Name: Latreille's Grunter
Order: Perciformes
Habitat: Freshwater/Brackish – Australia
Scientific name: Amniataba caudavittata
Name: Latrellia
Order: Perciformes
Habitat: Marine
Scientific name: Latrellia
Name: Latris lineata
Order: Perciformes
Habitat: Marine
Scientific name: Latris lineata
Name: Latrunculia
Order: Perciformes
Habitat: Marine
Scientific name: Latrunculia
Name: Lattice Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Entomacrodus stellifer stellifer
Name: Lattice Soldierfish
Order: Beryciformes
Habitat: Marine
Scientific name: Myripristis berndti
Name: Lattice Tang
Order: Acanthuriformes
Habitat: Marine
Scientific name: Acanthurus triostegus
Name: Latticed Butterflyfish
Order: Perciformes
Habitat: Marine
Scientific name: Chaetodon reticulatus
Name: Lau Lau
Order: Siluriformes
Habitat: Freshwater: rivers in South America
Scientific name: Panaque armbrusteri
Name: Lau-Lau
Order: Siluriformes
Habitat: Freshwater
Scientific name: Brachyplatystoma vaillantii
Name: Laubuka
Order: Cypriniformes
Habitat: Freshwater – Asia
Scientific name: Laubuka
Name: Laubuka laubuca
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Laubuka laubuca
Name: Laudakia stellio
Order: Perciformes
Habitat: Marine – Mediterranean
Scientific name: Laudakia stellio
Name: Laughead Sculpin
Order: Scorpaeniformes
Habitat: Freshwater
Scientific name: Cottus launghead
Name: Laughing Owlfish
Order: Aulopiformes
Habitat: Deep marine
Scientific name: Tetrabranchion plumaticeps
Name: Laulao Catfish
Order: Siluriformes
Habitat: Freshwater
Scientific name: Brachyplatystoma vaillantii
Name: Laulau
Order: Perciformes
Habitat: Marine
Scientific name: Polymixia japonica
Name: Laupala Goby
Order: Gobiiformes
Habitat: Freshwater
Scientific name: Laupala kasebae
Name: Laura
Order: Cypriniformes
Habitat: Freshwater (fossil genus)
Scientific name: Laura
Name: Laurentian Sculpin
Order: Scorpaeniformes
Habitat: Freshwater
Scientific name: Myoxocephalus thompsonii
Name: Lavandera
Order: Perciformes
Habitat: Marine
Scientific name: Trachurus trecae
Name: Lavarel's Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Pomatoschistus microps
Name: Lavern's Goby
Order: Perciformes
Habitat: Marine – Atlantic
Scientific name: Gobius lavernicos
Name: Lawson's Conger
Order: Anguilliformes
Habitat: Marine
Scientific name: Conger conger
Name: Lawson's Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax lawsoni
Name: Laxartus
Order: Lampriformes
Habitat: Marine
Scientific name: Laxartus
Name: Laxenema
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Laxenema
Name: Laxionema
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Laxionema
Name: Lazy Shark
Order: Orectolobiformes
Habitat: Marine
Scientific name: Orectolobus halei
Name: Lead Damselfish
Order: Perciformes
Habitat: Marine
Scientific name: Plectroglyphidodon leucozonus
Name: Leaden Seaperch
Order: Perciformes
Habitat: Marine
Scientific name: Epinephelus coioides
Name: Leaf Fish
Order: Perciformes
Habitat: Freshwater: slow-moving streams in South America
Scientific name: Monocirrhus polyacanthus
Name: Leaf Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Pleuronichthys coenosus
Name: Leaf Scorpionfish
Order: Scorpaeniformes
Habitat: Marine: coral reefs in Indo-Pacific
Scientific name: Taenianotus triacanthus
Name: Leaf Wriggler
Order: Perciformes
Habitat: Marine
Scientific name: Centropyge loriculus
Name: Leaf-nosed Batfish
Order: Batrachoidiformes
Habitat: Marine
Scientific name: Halobatrachus didactylus
Name: Leafbeaked Sandfish
Order: Perciformes
Habitat: Marine
Scientific name: Gonorynchus gonorynchus
Name: Leafscale Gulper Shark
Order: Squaliformes
Habitat: Marine: deep waters worldwide
Scientific name: Centrophorus squamosus
Name: Leafy Seadragon
Order: Syngnathiformes
Habitat: Marine – Southern Australia
Scientific name: Phycodurus eques
Name: Leander's Pipefish
Order: Syngnathiformes
Habitat: Marine – Eastern Pacific
Scientific name: Syngnathus leptorhynchus
Name: Leaping Bonito
Order: Scombriformes
Habitat: Marine
Scientific name: Katsuwonus pelamis
Name: Leaping Mullet
Order: Mugiliformes
Habitat: Marine
Scientific name: Liza alata
Name: Least Killifish
Order: Cyprinodontiformes
Habitat: Freshwater: southeastern United States
Scientific name: Heterandria formosa
Name: Leather Bass
Order: Perciformes
Habitat: Marine: rocky reefs in Eastern Pacific
Scientific name: Dermatolepis dermatolepis
Name: Leather Basslet
Order: Perciformes
Habitat: Marine: Western Atlantic
Scientific name: Serraniculus pumilio
Name: Leather Carp
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Cyprinus carpio
Name: Leather Jack
Order: Carangiformes
Habitat: Marine
Scientific name: Oligoplites saurus
Name: Leather Jacket Fish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Aluterus scriptus
Name: Leather Jumps
Order: Lophiiformes
Habitat: Marine
Scientific name: Lophius piscatorius
Name: Leatherfin Goby
Order: Gobiiformes
Habitat: Brackish/Freshwater
Scientific name: Glossogobius giuris
Name: Leatherjack
Order: Carangiformes
Habitat: Marine
Scientific name: Carangoides bartholomaei
Name: Leatherjacket
Order: Tetraodontiformes
Habitat: Marine: temperate and tropical oceans
Scientific name: Aluterus schoepfii
.jpg)
Name: Leatherjacket (General)
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Monacanthidae
Name: Leatherlip Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax pictus
Name: Leatherskin
Order: Carangiformes
Habitat: Marine: tropical and subtropical oceans
Scientific name: Kaiwarinus equula
Name: Leatherwing
Order: Perciformes
Habitat: Marine
Scientific name: Trachinotus carolinus
Name: Leathery Sea Squirt
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Monacanthus chinensis
Name: Leathes' Goby
Order: Perciformes
Habitat: Marine
Scientific name: Gobius niger
Name: Lebias
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Lebias
Name: Lebiasina
Order: Characiformes
Habitat: Freshwater
Scientific name: Lebiasina
Name: Lebiasina aureoguttata
Order: Characiformes
Habitat: Freshwater
Scientific name: Lebiasina aureoguttata
Name: Lebiasina bimaculata
Order: Characiformes
Habitat: Freshwater
Scientific name: Lebiasina bimaculata
Name: Lebiasinidae
Order: Characiformes
Habitat: Freshwater
Scientific name: Lebiasinidae
Name: Lebranche Mullet
Order: Mugiliformes
Habitat: Marine – Western Atlantic
Scientific name: Mugil liza
Name: Leda's Perch
Order: Perciformes
Habitat: Freshwater
Scientific name: Percina caprodes
Name: Ledgerdemain Wrasse
Order: Perciformes
Habitat: Marine – Western Pacific
Scientific name: Halichoeres tenuispinis
Name: Leech Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Moringua ferruginea
Name: Leeuwenhoekiella
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Leeuwenhoekiella
Name: Left-eye Flatfish
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Bothidae
Name: Leftalone Skate
Order: Rajiformes
Habitat: Marine
Scientific name: Raja leftalone
Name: Lefteye Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Bothidae
Name: Leibaruchthys
Order: Atheriniformes
Habitat: Marine
Scientific name: Leibaruchthys
Name: Leiden's Cichlid
Order: Cichliformes
Habitat: Freshwater
Scientific name: Thorichthys meeki
Name: Leiocassis
Order: Siluriformes
Habitat: Freshwater
Scientific name: Leiocassis siamensis
Name: Leiocephalus
Order: Perciformes
Habitat: Marine
Scientific name: Leiocephalus
Name: Leiognathidae
Order: Perciformes
Habitat: Marine
Scientific name: Leiognathidae
Name: Leiognathus equulus
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Leiognathus equulus
Name: Leiognathus fasciatus
Order: Perciformes
Habitat: Marine
Scientific name: Leiognathus fasciatus
Name: Leiognathus nuchalis
Order: Perciformes
Habitat: Marine
Scientific name: Leiognathus nuchalis
Name: Leiognathus splendens
Order: Perciformes
Habitat: Marine
Scientific name: Leiognathus splendens
Name: Leiomaster
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Leiomaster
Name: Leionura
Order: Actinopterygii
Habitat: Marine
Scientific name: Leionura
Name: Leiopotherapon unicolor
Order: Perciformes
Habitat: Freshwater – Australia
Scientific name: Leiopotherapon unicolor
Name: Leioptilus
Order: Perciformes
Habitat: Marine
Scientific name: Leioptilus
Name: Leiosicya
Order: Blenniiformes
Habitat: Marine
Scientific name: Leiosicya adolfi
Name: Leiostomus xanthurus
Order: Perciformes
Habitat: Marine
Scientific name: Leiostomus xanthurus
Name: Leitos
Order: Perciformes
Habitat: Marine
Scientific name: Leitos
Name: Lembeh Seadragon
Order: Syngnathiformes
Habitat: Marine – Western Pacific
Scientific name: Solegnathus hardwickii
Name: Lembos
Order: Perciformes
Habitat: Marine
Scientific name: Lembos
Name: Lembulus
Order: Perciformes
Habitat: Marine
Scientific name: Lembulus
Name: Lemon Dab
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Microstomus kitt
Name: Lemon Damselfish
Order: Perciformes
Habitat: Marine – Western Pacific
Scientific name: Pomacentrus moluccensis
Name: Lemon Shark
Order: Carcharhiniformes
Habitat: Marine: coastal waters in Atlantic and Pacific
Scientific name: Negaprion brevirostris
Name: Lemon Sole
Order: Pleuronectiformes
Habitat: Marine: sandy bottoms in North Atlantic
Scientific name: Microstomus kitt
Name: Lemon sole
Order: Pleuronectiformes
Habitat: Marine – North Atlantic
Scientific name: Microstomus kitt
Name: Lentipes
Order: Gobiiformes
Habitat: Freshwater
Scientific name: Lentipes
Name: Leopard Anemonefish
Order: Perciformes
Habitat: Marine – Western Indian Ocean
Scientific name: Amphiprion chrysogaster
Name: Leopard Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Exallias brevis
Name: Leopard Bushfish
Order: Perciformes
Habitat: Freshwater
Scientific name: Ctenopoma acutirostre
Name: Leopard Catfish
Order: Siluriformes
Habitat: Freshwater
Scientific name: Pimelodus maculatus
Name: Leopard Catshark
Order: Carcharhiniformes
Habitat: Marine: coastal waters in South Africa
Scientific name: Poroderma pantherinum
Name: Leopard Cobrafish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Pterois miles
Name: Leopard Cod
Order: Gadiformes
Habitat: Marine: North Pacific
Scientific name: Gadus macrocephalus
Name: Leopard Congo Tetra
Order: Characiformes
Habitat: Freshwater
Scientific name: Phenacogrammus altus
Name: Leopard Coral Grouper
Order: Perciformes
Habitat: Marine: coral reefs in Indo-Pacific
Scientific name: Plectropomus leopardus
Name: Leopard Coris
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Coris gaimard
Name: Leopard Corydoras
Order: Siluriformes
Habitat: Freshwater
Scientific name: Corydoras julii
Name: Leopard Ctenopoma
Order: Perciformes
Habitat: Freshwater
Scientific name: Ctenopoma acutirostre
Name: Leopard Danios
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Danio rerio
Name: Leopard Dartfish
Order: Gobiiformes
Habitat: Marine
Scientific name: Nemateleotris decora
Name: Leopard Eel
Order: Anguilliformes
Habitat: Marine: rocky reefs in Indo-Pacific
Scientific name: Gymnothorax undulatus
Name: Leopard Eel Catfish
Order: Siluriformes
Habitat: Marine: Indo-Pacific
Scientific name: Plotosus lineatus
Name: Leopard Eel Goby
Order: Gobiiformes
Habitat: Marine: Indo-Pacific
Scientific name: Gymnothorax leopardus
Name: Leopard Eelpout
Order: Perciformes
Habitat: Marine
Scientific name: Lycodes pacificus
Name: Leopard Flathead
Order: Scorpaeniformes
Habitat: Marine: Indo-Pacific
Scientific name: Rogadius asper
Name: Leopard Gar
Order: Lepisosteiformes
Habitat: Freshwater
Scientific name: Lepisosteus oculatus
Name: Leopard Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Gobius leopardinus
Name: Leopard Gourami
Order: Anabantiformes
Habitat: Freshwater: slow-moving streams in India
Scientific name: Ctenops nobilis
Name: Leopard Grouper
Order: Perciformes
Habitat: Marine: Eastern Pacific
Scientific name: Mycteroperca rosacea
Name: Leopard Grubfish
Order: Perciformes
Habitat: Marine
Scientific name: Parapercis allporti
Name: Leopard Hind
Order: Perciformes
Habitat: Marine: Indo-Pacific
Scientific name: Cephalopholis leopardus
Name: Leopard Killifish
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Nothobranchius guentheri
Name: Leopard Leaf Fish
Order: Perciformes
Habitat: Freshwater
Scientific name: Monocirrhus polyacanthus
Name: Leopard Lionfish
Order: Scorpaeniformes
Habitat: Marine: Indo-Pacific
Scientific name: Dendrochirus zebra
Name: Leopard Loach
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Botia kubotai
Name: Leopard Moray
Order: Anguilliformes
Habitat: Marine: Indo-Pacific
Scientific name: Gymnothorax pardalis
Name: Leopard Moray Eel
Order: Anguilliformes
Habitat: Marine: coral reefs in Indo-Pacific
Scientific name: Enchelycore pardalis
Name: Leopard Paddlefish
Order: Acipenseriformes
Habitat: Freshwater
Scientific name: Polyodon spathula
Name: Leopard Pike-Conger
Order: Anguilliformes
Habitat: Marine – Deepwater
Scientific name: Netastoma melanurum
Name: Leopard Pleco
Order: Siluriformes
Habitat: Freshwater
Scientific name: Pterygoplichthys pardalis
Name: Leopard Puffer
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Takifugu pardalis
Name: Leopard Razorfish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Novaculichthys taeniourus
Name: Leopard Sailfin
Order: Perciformes
Habitat: Marine
Scientific name: Pterotaurus reticularis
Name: Leopard Sailfin Blenny
Order: Perciformes
Habitat: Marine
Scientific name: Ecsenius leopardus
Name: Leopard Sandperch
Order: Perciformes
Habitat: Marine
Scientific name: Parapercis cylindrica
Name: Leopard Shark
Order: Carcharhiniformes
Habitat: Marine: cool temperate coastal waters in Eastern Pacific
Scientific name: Triakis semifasciata
Name: Leopard Sharkray
Order: Rhinopristiformes
Habitat: Marine
Scientific name: Rhina ancylostoma
Name: Leopard Snakehead
Order: Perciformes
Habitat: Freshwater
Scientific name: Channa argus
Name: Leopard Stingray
Order: Myliobatiformes
Habitat: Marine: Indo-Pacific
Scientific name: Himantura uarnak
Name: Leopard Tang
Order: Perciformes
Habitat: Marine
Scientific name: Zebrasoma xanthurum
Name: Leopard Toby
Order: Tetraodontiformes
Habitat: Marine: Indo-Pacific
Scientific name: Canthigaster leoparda
Name: Leopard Torpedo
Order: Torpediniformes
Habitat: Marine
Scientific name: Torpedo panthera
Name: Leopard Turbot
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Rhombosolea tapirina
Name: Leopard Whiptail
Order: Perciformes
Habitat: Marine
Scientific name: Pentapodus porosus
Name: Leopard Wrass
Order: Perciformes
Habitat: Marine
Scientific name: Macropharyngodon meleagris
Name: Leopard Wrasse
Order: Perciformes
Habitat: Marine: Indo-Pacific
Scientific name: Macropharyngodon meleagris
Name: Lephroconidae
Order: Aulopiformes
Habitat: Marine (fossil family)
Scientific name: Lephroconidae
Name: Lepidaplois
Order: Perciformes
Habitat: Marine
Scientific name: Lepidaplois
Name: Lepiderichthys
Order: Synbranchiformes
Habitat: Freshwater
Scientific name: Lepiderichthys
Name: Lepidion
Order: Gadiformes
Habitat: Marine
Scientific name: Lepidion
Name: Lepidion eques
Order: Gadiformes
Habitat: Deep Marine
Scientific name: Lepidion eques
Name: Lepidion schmidti
Order: Gadiformes
Habitat: Deep Marine
Scientific name: Lepidion schmidti
Name: Lepidion talarae
Order: Gadiformes
Habitat: Deep Marine
Scientific name: Lepidion talarae
Name: Lepidoblennius marmoratus
Order: Perciformes
Habitat: Marine
Scientific name: Lepidoblennius marmoratus
Name: Lepidocheilichthys
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Lepidocheilichthys
Name: Lepidocybium flavobrunneum
Order: Scombriformes
Habitat: Marine
Scientific name: Lepidocybium flavobrunneum
Name: Lepidoperca
Order: Perciformes
Habitat: Marine
Scientific name: Lepidoperca
Name: Lepidophidium
Order: Ophidiiformes
Habitat: Deep Marine
Scientific name: Lepidophidium
Name: Lepidophyllum
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Lepidophyllum
Name: Lepidopsetta bilineata
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Lepidopsetta bilineata
Name: Lepidopus caudatus
Order: Scombriformes
Habitat: Marine
Scientific name: Lepidopus caudatus
Name: Lepidopus fitchi
Order: Scombriformes
Habitat: Deep Marine
Scientific name: Lepidopus fitchi
Name: Lepidopus gladius
Order: Scombriformes
Habitat: Marine
Scientific name: Lepidopus gladius
Name: Lepidorhombus boscii
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Lepidorhombus boscii
Name: Lepidorhombus whiffiagonis
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Lepidorhombus whiffiagonis
Name: Lepidosiren
Order: Lepidosireniformes
Habitat: Freshwater: swamps in South America
Scientific name: Lepidosiren paradoxa
Name: Lepidosiren paradoxa
Order: Lepidosireniformes
Habitat: Freshwater
Scientific name: Lepidosiren paradoxa
Name: Lepidosoma
Order: Perciformes
Habitat: Marine
Scientific name: Lepidosoma
Name: Lepisma
Order: Zygentoma
Habitat: Freshwater
Scientific name: Lepisma
Name: Lepisosteus
Order: Lepisosteiformes
Habitat: Freshwater
Scientific name: Lepisosteus
Name: Lepisosteus oculatus
Order: Lepisosteiformes
Habitat: Freshwater
Scientific name: Lepisosteus oculatus
Name: Lepisosteus osseus
Order: Lepisosteiformes
Habitat: Freshwater
Scientific name: Lepisosteus osseus
Name: Lepisosteus platostomus
Order: Lepisosteiformes
Habitat: Freshwater
Scientific name: Lepisosteus platostomus
Name: Lepisosteus platyrhincus
Order: Lepisosteiformes
Habitat: Freshwater
Scientific name: Lepisosteus platyrhincus
Name: Lepisosteus spatula
Order: Lepisosteiformes
Habitat: Freshwater
Scientific name: Atractosteus spatula
Name: Lepomis cyanellus
Order: Perciformes
Habitat: Freshwater
Scientific name: Lepomis cyanellus
Name: Lepomis gibbosus
Order: Perciformes
Habitat: Freshwater
Scientific name: Lepomis gibbosus
Name: Lepomis gulosus
Order: Perciformes
Habitat: Freshwater
Scientific name: Chaenobryttus gulosus
Name: Lepomis humilis
Order: Perciformes
Habitat: Freshwater
Scientific name: Lepomis humilis
Name: Lepomis macrochirus
Order: Perciformes
Habitat: Freshwater
Scientific name: Lepomis macrochirus
Name: Lepomis microlophus
Order: Perciformes
Habitat: Freshwater
Scientific name: Lepomis microlophus
Name: Lepomis punctatus
Order: Perciformes
Habitat: Freshwater
Scientific name: Lepomis punctatus
Name: Leptacanthichthys
Order: Lophiiformes
Habitat: Deep Marine
Scientific name: Leptacanthichthys
Name: Leptagonus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Leptagonus
Name: Leptenchelys
Order: Anguilliformes
Habitat: Marine
Scientific name: Leptenchelys
Name: Leptocephalus
Order: Anguilliformes
Habitat: Marine (larval stage)
Scientific name: Leptocephalus
Name: Leptocheilichthys
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Leptocheilichthys
Name: Leptochela
Order: Penaeidae
Habitat: Marine – Global
Scientific name: Leptochela
Name: Leptochilichthys
Order: Argentiniformes
Habitat: Marine – Deepwater
Scientific name: Leptochilichthys
Name: Leptoclinus
Order: Perciformes
Habitat: Marine – Arctic
Scientific name: Leptoclinus
Name: Leptocottus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Leptocottus
Name: Leptocottus armatus
Order: Perciformes
Habitat: Marine
Scientific name: Leptocottus armatus
Name: Leptoderes
Order: Aulopiformes
Habitat: Marine
Scientific name: Leptoderes
Name: Leptoderma
Order: Argentiniformes
Habitat: Marine – Deepwater
Scientific name: Leptoderma
Name: Leptoderma macrops
Order: Argentiniformes
Habitat: Marine
Scientific name: Leptoderma macrops
Name: Leptoglanis
Order: Siluriformes
Habitat: Freshwater
Scientific name: Leptoglanis
Name: Leptoichthys
Order: Syngnathiformes
Habitat: Marine
Scientific name: Leptoichthys
Name: Leptojulis cyanopleura
Order: Perciformes
Habitat: Marine
Scientific name: Leptojulis cyanopleura
Name: Leptolepis
Order: Leptolepiformes
Habitat: Fossil Marine
Scientific name: Leptolepis
Name: Leptomithrax
Order: Decapoda
Habitat: Marine
Scientific name: Leptomithrax
Name: Leptonema
Order: Gadiformes
Habitat: Deep Marine
Scientific name: Leptonema
Name: Leptonotus
Order: Syngnathiformes
Habitat: Marine
Scientific name: Leptonotus
Name: Leptopenus
Order: Aulopiformes
Habitat: Marine
Scientific name: Leptopenus
Name: Leptophidium
Order: Ophidiiformes
Habitat: Marine
Scientific name: Leptophidium
Name: Leptophidium profundorum
Order: Ophidiiformes
Habitat: Marine
Scientific name: Leptophidium profundorum
Name: Leptopsis
Order: Perciformes
Habitat: Marine
Scientific name: Leptopsis
Name: Leptoscarus
Order: Perciformes
Habitat: Marine
Scientific name: Leptoscarus
Name: Leptoscarus vaigiensis
Order: Perciformes
Habitat: Marine
Scientific name: Leptoscarus vaigiensis
Name: Leptoscopidae
Order: Perciformes
Habitat: Marine
Scientific name: Leptoscopidae
Name: Leptoscopus
Order: Perciformes
Habitat: Marine – New Zealand
Scientific name: Leptoscopus
Name: Leptosiphon
Order: Perciformes
Habitat: Marine
Scientific name: Leptosiphon
Name: Leptostomias
Order: Stomiiformes
Habitat: Marine
Scientific name: Leptostomias
Name: Leptoteuthis
Order: Salmoniformes
Habitat: Marine
Scientific name: Leptoteuthis
Name: Lepturus
Order: Anguilliformes
Habitat: Marine
Scientific name: Lepturus
Name: Lernaea
Order: Copepoda
Habitat: Parasitic
Scientific name: Lernaea
Name: Lernanthropus
Order: Copepoda
Habitat: Parasitic
Scientific name: Lernanthropus
Name: Lesotho barb
Order: Cypriniformes
Habitat: Freshwater – Lesotho
Scientific name: Barbus gribbei
Name: Lesser African Threadfin
Order: Perciformes
Habitat: Marine – Eastern Atlantic
Scientific name: Pentanemus quinquarius
Name: Lesser Amberjack
Order: Carangiformes
Habitat: Marine: Atlantic Ocean
Scientific name: Seriola fasciata
Name: Lesser Australasian Sardine
Order: Clupeiformes
Habitat: Marine
Scientific name: Sardinops sagax
Name: Lesser Barracuda
Order: Scombriformes
Habitat: Marine: Eastern Pacific
Scientific name: Sphyraena idiastes
Name: Lesser Basslet
Order: Perciformes
Habitat: Marine
Scientific name: Gramma linki
Name: Lesser Bottlenose Skate
Order: Rajiformes
Habitat: Marine
Scientific name: Rajella kukujevi
Name: Lesser Demoiselle
Order: Perciformes
Habitat: Marine – Western Atlantic
Scientific name: Chromis cyanea
Name: Lesser Devil Ray
Order: Myliobatiformes
Habitat: Marine
Scientific name: Mobula hypostoma
Name: Lesser Dragonfish
Order: Perciformes
Habitat: Marine
Scientific name: Trachinus draco
Name: Lesser Eel Pout
Order: Perciformes
Habitat: Marine – North Atlantic
Scientific name: Lycenchelys muraena
Name: Lesser Electric Ray
Order: Torpediniformes
Habitat: Marine: Western Atlantic
Scientific name: Narcine brasiliensis
Name: Lesser European Barracuda
Order: Perciformes
Habitat: Marine
Scientific name: Sphyraena viridensis
Name: Lesser Fangjaw
Order: Stomiiformes
Habitat: Marine – Deepwater
Scientific name: Malacosteus niger
Name: Lesser Flathead
Order: Perciformes
Habitat: Marine – Australia
Scientific name: Platycephalus marmoratus
Name: Lesser Forkbeard
Order: Gadiformes
Habitat: Marine
Scientific name: Phycis blennoides
Name: Lesser Fourbearded Rockling
Order: Gadiformes
Habitat: Marine – North Atlantic
Scientific name: Ciliata mustela
Name: Lesser Frogfish
Order: Lophiiformes
Habitat: Marine – Western Atlantic
Scientific name: Antennarius pauciradiatus
Name: Lesser Grinner
Order: Aulopiformes
Habitat: Marine – Indo-Pacific
Scientific name: Saurida normani
Name: Lesser Guitarfish
Order: Rhinopristiformes
Habitat: Marine
Scientific name: Rhinobatos annulatus
Name: Lesser Gulper Shark
Order: Squaliformes
Habitat: Marine – Deepwater
Scientific name: Centrophorus uyato
Name: Lesser Haddock
Order: Gadiformes
Habitat: Marine – North Atlantic
Scientific name: Melanogrammus aeglefinus
Name: Lesser Knoppfish
Order: Perciformes
Habitat: Marine
Scientific name: Lipophrys pholis
Name: Lesser Kogia
Order: Cetacea
Habitat: Marine – Pelagic
Scientific name: Kogia sima
Name: Lesser Lizardfish
Order: Aulopiformes
Habitat: Marine – Western Atlantic
Scientific name: Synodus poeyi
Name: Lesser Maori Cod
Order: Perciformes
Habitat: Marine
Scientific name: Gonorynchus forsteri
Name: Lesser Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax minor
Name: Lesser Sandeel
Order: Ammodytiformes
Habitat: Marine: North Atlantic
Scientific name: Ammodytes tobianus
Name: Lesser Seahorse
Order: Syngnathiformes
Habitat: Marine
Scientific name: Hippocampus zosterae
Name: Lesser Searobin
Order: Scorpaeniformes
Habitat: Marine: Western Atlantic
Scientific name: Prionotus ophryas
Name: Lesser Sharpnose Puffer
Order: Tetraodontiformes
Habitat: Marine – Indo-Pacific
Scientific name: Canthigaster pygmaea
Name: Lesser Silver Biddy
Order: Perciformes
Habitat: Marine
Scientific name: Gerres abbreviatus
Name: Lesser Snake Eel
Order: Anguilliformes
Habitat: Marine – Western Atlantic
Scientific name: Ophichthus punctifer
Name: Lesser Spinecheek
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Scolopsis bilineata
Name: Lesser Spiny Dogfish
Order: Squaliformes
Habitat: Marine – Deepwater
Scientific name: Squalus mitsukurii
Name: Lesser Spotted Dogfish
Order: Carcharhiniformes
Habitat: Marine: North Atlantic
Scientific name: Scyliorhinus canicula
Name: Lesser Stargazer
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Uranoscopus albesca
Name: Lesser Weever
Order: Perciformes
Habitat: Marine
Scientific name: Trachinus vipera
Name: Lesson's Goby
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Hetereleotris guttata
Name: Lessor Electric Ray
Order: Torpediniformes
Habitat: Marine
Scientific name: Torpedo torpedo
Name: Lestidiops
Order: Aulopiformes
Habitat: Deep Marine
Scientific name: Lestidiops
Name: Lestidium
Order: Aulopiformes
Habitat: Deep Marine
Scientific name: Lestidium
Name: Lestodon
Order: Characiformes
Habitat: Freshwater: rivers in South America
Scientific name: Lestodon spp.
Name: Lestonus
Order: Perciformes
Habitat: Marine
Scientific name: Lestonus
Name: Lestrolepis
Order: Aulopiformes
Habitat: Deep Marine
Scientific name: Lestrolepis
Name: Lethrinid
Order: Perciformes
Habitat: Marine: Indo-Pacific
Scientific name: Lethrinidae
Name: Lethrinus
Order: Perciformes
Habitat: Marine
Scientific name: Lethrinus nebulosus
Name: Lethrinus nebulosus
Order: Lethriniformes
Habitat: Marine
Scientific name: Lethrinus nebulosus
Name: Lethrinus rubriolineatus
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Lethrinus rubriolineatus
Name: Lethrinus rubrioperculatus
Order: Lethriniformes
Habitat: Marine
Scientific name: Lethrinus rubrioperculatus
Name: Leuciscus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Leuciscus
Name: Leuciscus aspius
Order: Cypriniformes
Habitat: Freshwater – Europe/Asia
Scientific name: Leuciscus aspius
Name: Leuciscus cephalus
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Squalius cephalus
Name: Leuciscus idus
Order: Cypriniformes
Habitat: Freshwater – Europe/Asia
Scientific name: Leuciscus idus
Name: Leuciscus leuciscus
Order: Cypriniformes
Habitat: Freshwater – Europe/Asia
Scientific name: Leuciscus leuciscus
Name: Leucopogon
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Leucopogon
Name: Leucoraja erinacea
Order: Rajiformes
Habitat: Marine
Scientific name: Leucoraja erinacea
Name: Leucos basak
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Leucos basak
Name: Leuresthes tenuis
Order: Atheriniformes
Habitat: Marine
Scientific name: Leuresthes tenuis
Name: Leuroglossus
Order: Argentiniformes
Habitat: Marine
Scientific name: Leuroglossus
Name: Leutze's Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Poecilopsetta plinthus
Name: Levanella
Order: Syngnathiformes
Habitat: Marine
Scientific name: Levanella
Name: Levantera
Order: Perciformes
Habitat: Marine – Tropical/Subtropical
Scientific name: Rachycentron canadum
Name: Leveque's Damselfish
Order: Perciformes
Habitat: Marine
Scientific name: Chromis levequei
Name: Lever Fish
Order: Perciformes
Habitat: Marine – Tropical/Subtropical
Scientific name: Rachycentron canadum
Name: Lever's Tripodfish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Tripodichthys angustifrons
Name: Leviraja
Order: Rajiformes
Habitat: Marine
Scientific name: Leviraja
Name: Levisaurus
Order: Aulopiformes
Habitat: Marine
Scientific name: Levisaurus
Name: Leviticus
Order: Perciformes
Habitat: Marine
Scientific name: Leviticus
Name: Lewin's Ray
Order: Myliobatiformes
Habitat: Marine
Scientific name: Myliobatis levinensis
Name: Lewis's Goby
Order: Perciformes
Habitat: Marine – Mediterranean
Scientific name: Gobius lewisianus
Name: Lewisia
Order: Perciformes
Habitat: Marine
Scientific name: Lewisia
Name: Lianema
Order: Anguilliformes
Habitat: Marine
Scientific name: Lianema
Name: Liaoconger
Order: Anguilliformes
Habitat: Marine – Fossil
Scientific name: Liaoconger
Name: Liberichthys
Order: Perciformes
Habitat: Marine
Scientific name: Liberichthys
Name: Libyan Barb
Order: Cypriniformes
Habitat: Freshwater – North Africa
Scientific name: Barbus callensis
Name: Licence Plate Fish
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Arothron stellatus
Name: Lichades
Order: Perciformes
Habitat: Marine
Scientific name: Lichades
Name: Lichanura
Order: Perciformes
Habitat: Marine – Pacific
Scientific name: Lichanura
Name: Lichat
Order: Perciformes
Habitat: Marine
Scientific name: Lichat aurata
Name: Liche
Order: Carangiformes
Habitat: Marine
Scientific name: Lichia amia
Name: Lichea
Order: Carangiformes
Habitat: Marine
Scientific name: Lichea
Name: Lichnow's Pipefish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Hypselognathus horridus
Name: Lichomolgus
Order: Copepoda
Habitat: Parasitic
Scientific name: Lichomolgus
Name: Licnochromis
Order: Perciformes
Habitat: Freshwater
Scientific name: Licnochromis
Name: Lida
Order: Perciformes
Habitat: Marine – Indian Ocean
Scientific name: Lida
Name: Light Blotched Anglerfish
Order: Lophiiformes
Habitat: Marine
Scientific name: Lophius litulon
Name: Light Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax fimbriatus
Name: Lightbulb Fish
Order: Stomiiformes
Habitat: Marine – Deepwater
Scientific name: Cyclothone acclinidens
Name: Lightfish
Order: Stomiiformes
Habitat: Marine: deep ocean
Scientific name: Gonostomatidae
Name: Lightfish Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Gordiichthys irretitus
Name: Lightfoot's Surgeonfish
Order: Perciformes
Habitat: Marine – Pacific
Scientific name: Acanthurus leucopareius
Name: Lightning Wrasse
Order: Perciformes
Habitat: Marine
Scientific name: Macropharyngodon meleagris
Name: Ligi
Order: Perciformes
Habitat: Marine
Scientific name: Ligi
Name: Ligniperca
Order: Perciformes
Habitat: Marine
Scientific name: Ligniperca
Name: Lignocola
Order: Copepoda
Habitat: Parasitic
Scientific name: Lignocola
Name: Lij
Order: Perciformes
Habitat: Marine
Scientific name: Lij
Name: Likely Moray
Order: Anguilliformes
Habitat: Marine
Scientific name: Gymnothorax funebris
Name: Likorella
Order: Perciformes
Habitat: Marine
Scientific name: Likorella
Name: Lilae's Anglerfish
Order: Lophiiformes
Habitat: Marine
Scientific name: Lilaea
Name: Lile
Order: Clupeiformes
Habitat: Marine
Scientific name: Lile
Name: Lillia
Order: Perciformes
Habitat: Marine
Scientific name: Lillia
Name: Lilliput Goby
Order: Perciformes
Habitat: Marine – Western Pacific
Scientific name: Lubricogobius nanus
Name: Lima scabra
Order: Bivalvia
Habitat: Marine – Mollusc
Scientific name: Lima scabra
Name: Limanda
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Limanda
Name: Limanda aspera
Order: Pleuronectiformes
Habitat: Marine – North Pacific
Scientific name: Limanda aspera
Name: Limanda ferruginea
Order: Pleuronectiformes
Habitat: Marine – North Atlantic
Scientific name: Limanda ferruginea
Name: Limanda limanda
Order: Pleuronectiformes
Habitat: Marine – North Atlantic
Scientific name: Limanda limanda
Name: Limanda proboscidea
Order: Pleuronectiformes
Habitat: Marine – Arctic
Scientific name: Limanda proboscidea
Name: Limanda sakhalinensis
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Limanda sakhalinensis
Name: Limanthes
Order: Perciformes
Habitat: Marine – Pacific
Scientific name: Limanthes
Name: Limbatochromis
Order: Perciformes
Habitat: Freshwater
Scientific name: Limbatochromis
Name: Limia
Order: Cyprinodontiformes
Habitat: Freshwater – Caribbean
Scientific name: Limia
Name: Limia nigrofasciata
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Limia nigrofasciata
Name: Limia perugiae
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Limia perugiae
Name: Liminia
Order: Perciformes
Habitat: Marine
Scientific name: Liminia
Name: Limnichthys
Order: Perciformes
Habitat: Marine
Scientific name: Limnichthys
Name: Limnodromus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Limnodromus
Name: Limnogonus
Order: Lophiiformes
Habitat: Marine
Scientific name: Limnogonus
Name: Limnonectes
Order: Siluriformes
Habitat: Freshwater
Scientific name: Limnonectes
Name: Limnoseda
Order: Perciformes
Habitat: Marine
Scientific name: Limnoseda
Name: Limnothrissa miodon
Order: Clupeiformes
Habitat: Freshwater – Lake Tanganyika
Scientific name: Limnothrissa miodon
Name: Limnotilapia
Order: Perciformes
Habitat: Freshwater
Scientific name: Limnotilapia
Name: Linckia laevigata
Order: Valvatida
Habitat: Marine – Starfish
Scientific name: Linckia laevigata
Name: Lineatus Flasher Wrasse
Order: Perciformes
Habitat: Marine – Western Pacific
Scientific name: Paracheilinus lineopunctatus
Name: Lined Bristletooth
Order: Perciformes
Habitat: Marine
Scientific name: Ctenochaetus striatus
Name: Lined Bristletooth Tang
Order: Perciformes
Habitat: Marine
Scientific name: Ctenochaetus striatus
Name: Lined Cardinalfish
Order: Perciformes
Habitat: Marine
Scientific name: Apogon lineatus
Name: Lined Clownfish
Order: Perciformes
Habitat: Marine
Scientific name: Amphiprion akallopisos
Name: Lined Combfish
Order: Perciformes
Habitat: Marine
Scientific name: Coris gaimard
Name: Lined Fang Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Meiacanthus lineatus
Name: Lined Leatherjacket
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Meuschenia scaber
Name: Lined Surgeon
Order: Perciformes
Habitat: Marine
Scientific name: Acanthurus lineatus
Name: Lined Surgeonfish
Order: Perciformes
Habitat: Marine: coral reefs in Indo-Pacific
Scientific name: Acanthurus lineatus
Name: Linefish
Order: Perciformes
Habitat: Marine – South Africa
Scientific name: Chirodactylus brachyrhynchus
Name: Ling
Order: Gadiformes
Habitat: Marine: deep waters in North Atlantic
Scientific name: Molva molva
Name: Ling Cod
Order: Gadiformes
Habitat: Marine
Scientific name: Molva molva
Name: Lingcod
Order: Scorpaeniformes
Habitat: Marine: North Pacific
Scientific name: Ophiodon elongatus
Name: Lingui
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Labeo pangasius
Name: Lingulifer
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Lingulifer opticus
Name: Linked Batfish
Order: Lophiiformes
Habitat: Marine – Indo-Pacific
Scientific name: Halieutaea reticulada
Name: Linn's Blenny
Order: Perciformes
Habitat: Marine – Western Pacific
Scientific name: Ecsenius lineatus
Name: Linophryne
Order: Lophiiformes
Habitat: Marine
Scientific name: Linophryne
Name: Linophryne arborifera
Order: Lophiiformes
Habitat: Marine
Scientific name: Linophryne arborifera
Name: Linophryne argyresca
Order: Lophiiformes
Habitat: Deep Marine
Scientific name: Linophryne argyresca
Name: Linophryne bicornis
Order: Lophiiformes
Habitat: Marine
Scientific name: Linophryne bicornis
Name: Linophryne lucifer
Order: Lophiiformes
Habitat: Marine – Deepwater
Scientific name: Linophryne lucifer
Name: Liobagrus
Order: Siluriformes
Habitat: Freshwater
Scientific name: Liobagrus
Name: Liobraichthys
Order: Perciformes
Habitat: Marine
Scientific name: Liobraichthys
Name: Liobutis
Order: Gobiiformes
Habitat: Freshwater
Scientific name: Liobutis
Name: Liocarenus
Order: Perciformes
Habitat: Marine
Scientific name: Liocarenus
Name: Liocranchia reinhardti
Order: Teuthida
Habitat: Marine – Squid
Scientific name: Liocranchia reinhardti
Name: Liogaleus
Order: Carcharhiniformes
Habitat: Marine – Deepwater shark
Scientific name: Liogaleus
Name: Lioheterophractus
Order: Perciformes
Habitat: Marine
Scientific name: Lioheterophractus
Name: Lionfish
Order: Scorpaeniformes
Habitat: Marine: coral reefs in Indo-Pacific
Scientific name: Pterois spp.
Name: Lionhead Cichlid
Order: Cichliformes
Habitat: Freshwater – Congo Basin
Scientific name: Steatocranus casuarius
Name: Lionhead Fish
Order: Scorpaeniformes
Habitat: Marine – Indo-Pacific
Scientific name: Pterois radiata
Name: Liopropoma
Order: Perciformes
Habitat: Marine
Scientific name: Liopropoma carmabi
Name: Liopropoma carmabi
Order: Perciformes
Habitat: Marine – Western Atlantic
Scientific name: Liopropoma carmabi
Name: Liopropoma rubre
Order: Perciformes
Habitat: Marine
Scientific name: Liopropoma rubre
Name: Liopsetta
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Liopsetta
Name: Liosaccus
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Liosaccus
Name: Lioy's Damselfish
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Pomacentrus amboinensis
Name: Liparidae
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Liparis liparis
Name: Liparididae
Order: Perciformes
Habitat: Marine
Scientific name: Liparididae
Name: Liparis
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Liparis
Name: Liparis atlanticus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Liparis atlanticus
Name: Liparis fabricii
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Liparis fabricii
Name: Liparis koefoedi
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Liparis koefoedi
Name: Liparis liparis
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Liparis liparis
Name: Liparis major
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Liparis major
Name: Liparis marmoratus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Liparis marmoratus
Name: Liparis mucosus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Liparis mucosus
Name: Liparis pulchellus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Liparis pulchellus
Name: Lipedfish
Order: Scorpaeniformes
Habitat: Marine – Northern Hemisphere
Scientific name: Liparis
Name: Lipfish
Order: Batrachoidiformes
Habitat: Marine
Scientific name: Antennarius striatus
Name: Lipogenys
Order: Notacanthiformes
Habitat: Marine – Deepwater
Scientific name: Lipogenys
Name: Lipophrys pholis
Order: Blenniiformes
Habitat: Marine – North Atlantic
Scientific name: Lipophrys pholis
Name: Lippia
Order: Lampriformes
Habitat: Marine
Scientific name: Lippia
Name: Lira fish
Order: Perciformes
Habitat: Marine
Scientific name: Bregmaceros macclellandi
Name: Liriope
Order: Perciformes
Habitat: Marine
Scientific name: Liriope
Name: Lisbon Sole
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Synaptura lusitanica
Name: Lissochromis
Order: Perciformes
Habitat: Freshwater
Scientific name: Lissochromis
Name: Lissoclinum
Order: Ascidiacea
Habitat: Marine – Tunicate
Scientific name: Lissoclinum
Name: Lissodelphis
Order: Cetartiodactyla
Habitat: Marine
Scientific name: Lissodelphis borealis
Name: Lissomus
Order: Perciformes
Habitat: Marine
Scientific name: Lissomus
Name: Little Amberjack
Order: Carangiformes
Habitat: Marine
Scientific name: Seriola rivoliana
Name: Little Blackfin Shark
Order: Carcharhiniformes
Habitat: Marine – Tropical
Scientific name: Carcharhinus limbatus
Name: Little Brown Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Carcharhinus porosus
Name: Little Cichlid
Order: Cichliformes
Habitat: Freshwater
Scientific name: Orthochromis machadoi
Name: Little Conger
Order: Anguilliformes
Habitat: Marine
Scientific name: Conger conger
Name: Little Cuta
Order: Scombriformes
Habitat: Marine
Scientific name: Scomberomorus guttatus
Name: Little Damselfish
Order: Perciformes
Habitat: Marine
Scientific name: Pomacentrus javanicus
Name: Little Dragonfish
Order: Syngnathiformes
Habitat: Marine
Scientific name: Eurypegasus draconis
Name: Little Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Achirus lineatus
Name: Little Goblin Shark
Order: Lamniformes
Habitat: Marine
Scientific name: Mitsukurina owstoni
Name: Little Greenland Shark
Order: Squaliformes
Habitat: Marine
Scientific name: Etmopterus princeps
Name: Little Grey Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Carcharhinus sorrah
Name: Little Guitarfish
Order: Rhinopristiformes
Habitat: Marine
Scientific name: Aptychotrema rostrata
Name: Little Gull
Order: Laridae
Habitat: Bird
Scientific name: Hydrocoloeus minutus
Name: Little Gurnard
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Eutrigla gurnardus
Name: Little Icefish
Order: Notothenioidei
Habitat: Southern Ocean
Scientific name: Channichthys rhinoceratus
Name: Little Jack
Order: Carangiformes
Habitat: Marine
Scientific name: Carangoides malabaricus
Name: Little John Dory
Order: Zeiformes
Habitat: Marine
Scientific name: Zenopsis conchifer
Name: Little Lizardfish
Order: Aulopiformes
Habitat: Marine
Scientific name: Synodus poeyi
Name: Little Mackeral
Order: Scombriformes
Habitat: Marine
Scientific name: Scomber scombrus
Name: Little Mackerel
Order: Scombriformes
Habitat: Marine
Scientific name: Rastrelliger kanagurta
Name: Little Mojarra
Order: Perciformes
Habitat: Marine
Scientific name: Eucinostomus gula
Name: Little Mouth Bass
Order: Perciformes
Habitat: Freshwater
Scientific name: Micropterus dolomieu
Name: Little Pike
Order: Esociformes
Habitat: Freshwater
Scientific name: Esox lucius
Name: Little Redfish
Order: Perciformes
Habitat: Marine – North Atlantic
Scientific name: Sebastes viviparus
Name: Little Rockfish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Sebastes minor
Name: Little Roughy
Order: Beryciformes
Habitat: Marine – Deepwater
Scientific name: Hoplostethus intermedius
Name: Little Sandeel
Order: Osmeriformes
Habitat: Marine
Scientific name: Ammodytes tobianus
Name: Little Sculpin
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Myoxocephalus scorpius
Name: Little Searobin
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Prionotus ophryas
Name: Little Shark
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Carcharhinus porosus
Name: Little Skate
Order: Rajiformes
Habitat: Marine: Western Atlantic
Scientific name: Leucoraja erinacea
Name: Little Smoothnose
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Symphurus minor
Name: Little Sole
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Dicologlossa cuneata
Name: Little Spinefoot
Order: Perciformes
Habitat: Marine
Scientific name: Siganus spinus
Name: Little Squid
Order: Teuthida
Habitat: Marine (another malacological entry)
Scientific name: Loligo vulgaris
Name: Little Starfish
Order: Asteroidea
Habitat: Marine – Starfish
Scientific name: Asterina gibbosa
Name: Little Starry Flounder
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Platichthys stellatus
Name: Little Stingray
Order: Myliobatiformes
Habitat: Marine
Scientific name: Dasyatis sabina
Name: Little Sturgeon
Order: Acipenseriformes
Habitat: Freshwater/Brackish
Scientific name: Acipenser ruthenus
Name: Little Tunny
Order: Scombriformes
Habitat: Marine
Scientific name: Euthynnus alletteratus
Name: Little Warbonnet
Order: Perciformes
Habitat: Marine – North Pacific
Scientific name: Chirolophis snyderi
Name: Little tunny
Order: Scombriformes
Habitat: Marine
Scientific name: Euthynnus alletteratus
Name: Littlehead Porgy
Order: Spariformes
Habitat: Marine: Western Atlantic
Scientific name: Calamus proridens
Name: Live Sharksucker
Order: Perciformes
Habitat: Marine: worldwide
Scientific name: Echeneis naucrates
Name: Livebearer
Order: Cyprinodontiformes
Habitat: Freshwater: tropical and subtropical regions
Scientific name: Poeciliidae
Name: Livebearing Toothcarp
Order: Cyprinodontiformes
Habitat: Freshwater/Brackish
Scientific name: Poeciliidae
Name: Living Fossil Fish
Order: Coelacanthiformes
Habitat: Marine
Scientific name: Latimeria chalumnae
Name: Lizard Blenny
Order: Blenniiformes
Habitat: Marine
Scientific name: Omobranchus ferox
Name: Lizard Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Oxyurichthys microlepis
Name: Lizardfish
Order: Aulopiformes
Habitat: Marine: tropical and subtropical oceans
Scientific name: Synodontidae
Name: Loa loa
Order: Spirurida
Habitat: Parasitic worm
Scientific name: Loa loa
Name: Loach
Order: Cypriniformes
Habitat: Freshwater: Eurasia and North Africa
Scientific name: Cobitidae
Name: Loach Catfish
Order: Siluriformes
Habitat: Freshwater
Scientific name: Amblydoras hancockii
Name: Loach goby
Order: Gobiiformes
Habitat: Freshwater
Scientific name: Rhyacichthys
Name: Lobefin
Order: Sarcopterygii
Habitat: Fish group
Scientific name: Sarcopterygii
Name: Lobelia
Order: Lobeliaceae
Habitat: Plant
Scientific name: Lobelia
Name: Lobianchia gemellarii
Order: Myctophiformes
Habitat: Marine – Deepwater
Scientific name: Lobianchia gemellarii
Name: Lobotes surinamensis
Order: Perciformes
Habitat: Marine/Brackish – Tropical/Subtropical worldwide
Scientific name: Lobotes surinamensis
Name: Lobotidae
Order: Perciformes
Habitat: Marine
Scientific name: Lobotidae
Name: Local Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Gobius
Name: Lockingtonia
Order: Perciformes
Habitat: Marine – Pacific
Scientific name: Lockingtonia
Name: Locuss
Order: Perciformes
Habitat: Marine
Scientific name: Locuss
Name: Lois
Order: Perciformes
Habitat: Marine
Scientific name: Lois
Name: Lola
Order: Perciformes
Habitat: Marine
Scientific name: Lola
Name: Long Arm Octopus
Order: Octopoda
Habitat: Marine – Octopus
Scientific name: Abdopus aculeatus
Name: Long Island Skate
Order: Rajiformes
Habitat: Marine – Western Atlantic
Scientific name: Leucoraja erinacea
Name: Long Latz
Order: Perciformes
Habitat: Marine: Indo-Pacific
Scientific name: Acanthopagrus latus
Name: Long-Spine Porcupinefish
Order: Tetraodontiformes
Habitat: Marine – Tropical worldwide
Scientific name: Diodon holocanthus
Name: Long-Tailed Sea-Cat
Order: Gadiformes
Habitat: Marine – North Atlantic
Scientific name: Macrourus berglax
Name: Long-Tailed Stingray
Order: Myliobatiformes
Habitat: Marine – Southwestern Atlantic
Scientific name: Dasyatis hypostigma
Name: Long-Tailed Weasel
Order: Carnivora
Habitat: Mammal
Scientific name: Mustela frenata
Name: Long-billed Halfbeak
Order: Beloniformes
Habitat: Marine: Indo-Pacific
Scientific name: Hemiramphus far
Name: Long-branch Mullet
Order: Mugiliformes
Habitat: Marine and Brackish: Western Atlantic
Scientific name: Mugil liza
Name: Long-fin Batfish
Order: Perciformes
Habitat: Marine
Scientific name: Platax teira
Name: Long-fin Pike
Order: Osmeriformes
Habitat: Deep Marine
Scientific name: Stylophorus chordatus
Name: Long-nosed Butterflyfish
Order: Perciformes
Habitat: Marine
Scientific name: Forcipiger flavissimus
Name: Long-snouted Seahorse
Order: Syngnathiformes
Habitat: Marine
Scientific name: Hippocampus reidi
Name: Longfin African Mojarra
Order: Perciformes
Habitat: Marine: Eastern Atlantic
Scientific name: Gerres nigri
Name: Longfin Bannerfish
Order: Perciformes
Habitat: Marine
Scientific name: Heniochus acuminatus
Name: Longfin Batfish
Order: Perciformes
Habitat: Marine: Indo-Pacific
Scientific name: Platax teira
Name: Longfin Beryx
Order: Beryciformes
Habitat: Marine: worldwide
Scientific name: Beryx decadactylus
Name: Longfin Cardinalfish
Order: Perciformes
Habitat: Marine – Western Atlantic
Scientific name: Apogon pseudomaculatus
Name: Longfin Chromis
Order: Perciformes
Habitat: Marine: Western Pacific
Scientific name: Chromis trialpha
Name: Longfin Croaker
Order: Perciformes
Habitat: Marine – Eastern Pacific
Scientific name: Micropogonias megalops
Name: Longfin Darter
Order: Perciformes
Habitat: Freshwater
Scientific name: Percina caprodes
Name: Longfin Drum
Order: Perciformes
Habitat: Marine: Western Atlantic
Scientific name: Micropogonias megalops
Name: Longfin Eagleray
Order: Myliobatiformes
Habitat: Marine: Indo-Pacific
Scientific name: Aetobatus flagellum
Name: Longfin Eel
Order: Anguilliformes
Habitat: Freshwater/Marine – New Zealand
Scientific name: Anguilla dieffenbachii
Name: Longfin Emperor
Order: Perciformes
Habitat: Marine: Indo-Pacific
Scientific name: Lethrinus erythracanthus
Name: Longfin Gourami
Order: Perciformes
Habitat: Freshwater
Scientific name: Trichogaster trichopterus
Name: Longfin Grouper
Order: Perciformes
Habitat: Marine – Western Pacific
Scientific name: Epinephelus quoyanus
Name: Longfin Gulper Shark
Order: Squaliformes
Habitat: Marine: deep waters worldwide
Scientific name: Centrophorus longipinnis
Name: Longfin Hake
Order: Gadiformes
Habitat: Marine – Western Atlantic
Scientific name: Phycis chesteri
Name: Longfin Herring
Order: Clupeiformes
Habitat: Marine: Indo-Pacific
Scientific name: Ilisha elongata
Name: Longfin Inshore Squid
Order: Teuthida
Habitat: Marine – Squid
Scientific name: Doryteuthis pealeii
Name: Longfin Irish Lord
Order: Scorpaeniformes
Habitat: Marine – North Pacific
Scientific name: Hemilepidotus spinosus
Name: Longfin Lizardfish
Order: Aulopiformes
Habitat: Marine – Western Atlantic
Scientific name: Synodus longiceps
Name: Longfin Mako Shark
Order: Lamniformes
Habitat: Marine: tropical and subtropical oceans
Scientific name: Isurus paucus
Name: Longfin Mojarra
Order: Perciformes
Habitat: Marine – Western Atlantic
Scientific name: Eucinostomus longimanus
Name: Longfin Mola
Order: Tetraodontiformes
Habitat: Marine – Pelagic
Scientific name: Masturus lanceolatus
Name: Longfin Pilotfish
Order: Perciformes
Habitat: Marine – Pelagic
Scientific name: Naucrates ductor
Name: Longfin Pomfret
Order: Perciformes
Habitat: Marine – Atlantic
Scientific name: Brama brama
Name: Longfin Remora
Order: Perciformes
Habitat: Marine – Pelagic
Scientific name: Echeneis naucrates
Name: Longfin Sculpin
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Jordania zonope
Name: Longfin Snapper
Order: Perciformes
Habitat: Marine: coral reefs in Indo-Pacific
Scientific name: Macolor macularis
Name: Longfin Snook
Order: Perciformes
Habitat: Marine and Freshwater: Western Atlantic
Scientific name: Centropomus mexicanus
Name: Longfin Squid
Order: Teuthida
Habitat: Marine – Squid
Scientific name: Loligo pealeii
Name: Longfin Thornfish
Order: Beryciformes
Habitat: Marine – Eastern Atlantic
Scientific name: Hoplostethus cadenati
Name: Longfin Trevally
Order: Carangiformes
Habitat: Marine: Indo-Pacific
Scientific name: Carangoides armatus
Name: Longfin Turbot
Order: Pleuronectiformes
Habitat: Marine – North Pacific
Scientific name: Pleuronectes quadrituberculatus
Name: Longfin Wetmorella
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Wetmorella nigropinnata
Name: Longfinned Pike
Order: Esociformes
Habitat: Freshwater – Northern Hemisphere
Scientific name: Esox lucius
Name: Longheaded Eagle Ray
Order: Myliobatiformes
Habitat: Marine – Indo-Pacific
Scientific name: Aetobatus flagellum
Name: Longhorn Cowfish
Order: Tetraodontiformes
Habitat: Marine: coral reefs in Indo-Pacific
Scientific name: Lactoria cornuta
Name: Longhorn Sculpin
Order: Scorpaeniformes
Habitat: Marine – North Atlantic
Scientific name: Myoxocephalus octodecemspinosus
Name: Longjaw Mackerel
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Rastrelliger kanagurta
Name: Longjaw Mudskipper
Order: Perciformes
Habitat: Brackish – Indo-Pacific
Scientific name: Periophthalmodon schlosseri
Name: Longnose Butterflyfish
Order: Perciformes
Habitat: Marine: Indo-Pacific
Scientific name: Forcipiger longirostris
Name: Longnose Cusk-eel
Order: Ophidiiformes
Habitat: Marine – Indo-Pacific
Scientific name: Neobythites longipes
Name: Longnose Emperor
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Lethrinus olivaceus
Name: Longnose Gar
Order: Lepisosteiformes
Habitat: Freshwater
Scientific name: Lepisosteus osseus
Name: Longnose Lancetfish
Order: Aulopiformes
Habitat: Marine: deep open ocean
Scientific name: Alepisaurus ferox
Name: Longnose Sawshark
Order: Pristiophoriformes
Habitat: Marine
Scientific name: Pristiophorus cirratus
Name: Longnose Skate
Order: Rajiformes
Habitat: Marine – Eastern Pacific
Scientific name: Raja rhina
Name: Longnose Spurdog
Order: Squaliformes
Habitat: Marine – Indo-Pacific
Scientific name: Squalus megalops
Name: Longnose Stargazer
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Uranoscopus cognatus
Name: Longnose Surgeonfish
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Naso brevirostris
Name: Longnose Unicornfish
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Naso annulatus
Name: Longnose Wrasse
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Gomphosus varius
Name: Longpectoral Anglerfish
Order: Lophiiformes
Habitat: Marine – Western Atlantic
Scientific name: Lophius americanus
Name: Longsnout Pipefish
Order: Syngnathiformes
Habitat: Marine: seagrass beds in North Atlantic
Scientific name: Syngnathus typhle
Name: Longsnout Seahorse
Order: Syngnathiformes
Habitat: Marine: Western Atlantic
Scientific name: Hippocampus reidi
Name: Longspine Squirrelfish
Order: Beryciformes
Habitat: Marine
Scientific name: Holocentrus rufus
Name: Longspine Thornyhead
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Sebastolobus altivelis
Name: Longspine Triggerfish
Order: Tetraodontiformes
Habitat: Marine – Tropical/Subtropical
Scientific name: Canthidermis maculata
Name: Longtail Sawshark
Order: Pristiophoriformes
Habitat: Marine – Western Indian Ocean
Scientific name: Pliotrema warreni
Name: Longtail Tuna
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Thunnus tonggol
Name: Loofah Moray
Order: Anguilliformes
Habitat: Marine: Eastern Pacific
Scientific name: Gymnothorax loofah
Name: Lookdown
Order: Carangiformes
Habitat: Marine: coastal waters in Atlantic
Scientific name: Selene vomer
Name: Lookdown Bass
Order: Perciformes
Habitat: Marine: Western Atlantic
Scientific name: Liopropoma aberrans
Name: Loosejaw
Order: Stomiiformes
Habitat: Marine: deep ocean
Scientific name: Malacostea nigra
Name: Loosejaws
Order: Stomiiformes
Habitat: Marine – Deepwater
Scientific name: Malacosteidae
Name: Lophichthys
Order: Lophiiformes
Habitat: Marine – Indo-Pacific
Scientific name: Lophichthys
Name: Lophiobagrus cyclophorus
Order: Siluriformes
Habitat: Freshwater – Lake Tanganyika
Scientific name: Lophiobagrus cyclophorus
Name: Lophiocharon
Order: Lophiiformes
Habitat: Marine – Western Pacific
Scientific name: Lophiocharon
Name: Lophiodes
Order: Lophiiformes
Habitat: Marine – Deepwater
Scientific name: Lophiodes
Name: Lophiodes reticulatus
Order: Lophiiformes
Habitat: Deep Marine
Scientific name: Lophiodes reticulatus
Name: Lophiomus
Order: Lophiiformes
Habitat: Marine – Indo-Pacific
Scientific name: Lophiomus
Name: Lophius
Order: Lophiiformes
Habitat: Marine – Atlantic
Scientific name: Lophius
Name: Lophius americanus
Order: Lophiiformes
Habitat: Marine – Western Atlantic
Scientific name: Lophius americanus
Name: Lophius budegassa
Order: Lophiiformes
Habitat: Marine
Scientific name: Lophius budegassa
Name: Lophius gastrophysus
Order: Lophiiformes
Habitat: Marine
Scientific name: Lophius gastrophysus
Name: Lophius piscatorius
Order: Lophiiformes
Habitat: Marine – Eastern Atlantic
Scientific name: Lophius piscatorius
Name: Lophius upsicephalus
Order: Lophiiformes
Habitat: Marine
Scientific name: Lophius upsicephalus
Name: Lophocetus
Order: Cetacea
Habitat: Marine – Fossil dolphin
Scientific name: Lophocetus
Name: Lophocottus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Lophocottus
Name: Lophodiodon
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Lophodiodon
Name: Lophogobius
Order: Perciformes
Habitat: Marine – Western Pacific
Scientific name: Lophogobius
Name: Lopholatilus
Order: Perciformes
Habitat: Marine – Western Atlantic
Scientific name: Lopholatilus
Name: Lopholatilus chamaeleonticeps
Order: Perciformes
Habitat: Marine
Scientific name: Lopholatilus chamaeleonticeps
Name: Lophophidium
Order: Ophidiiformes
Habitat: Deep Marine
Scientific name: Lophophidium
Name: Lophotoidea
Order: Lampriformes
Habitat: Marine
Scientific name: Lophotoidea
Name: Lophozia
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Lophozius
Name: Lophozius
Order: Tetraodontiformes
Habitat: Marine
Scientific name: Lophozius
Name: Loquacious Blenny
Order: Blenniiformes
Habitat: Marine: coral reefs in Indo-Pacific
Scientific name: Ecsenius yaeyamaensis
Name: Lord Howe Island Angelfish
Order: Perciformes
Habitat: Marine: Pacific Ocean
Scientific name: Genicanthus semicinctus
Name: Loricaria
Order: Siluriformes
Habitat: Freshwater – South America
Scientific name: Loricaria
Name: Loricariichthys
Order: Siluriformes
Habitat: Freshwater – South America
Scientific name: Loricariichthys
Name: Loricariid
Order: Siluriformes
Habitat: Freshwater: streams in South and Central America
Scientific name: Loricariidae
Name: Lose
Order: Lampriformes
Habitat: Marine
Scientific name: Lose
Name: Lossen Snapper
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus fulvus
Name: Lotella
Order: Gadiformes
Habitat: Marine
Scientific name: Lotella
Name: Lottia
Order: Patellogastropoda
Habitat: Marine – Limpet
Scientific name: Lottia
Name: Louis
Order: Perciformes
Habitat: Marine
Scientific name: Louis
Name: Lousefish
Order: Ophidiiformes
Habitat: Marine
Scientific name: Dicrolene intragigantea
Name: Lousiana Drum
Order: Perciformes
Habitat: Marine: Western Atlantic
Scientific name: Sciaenops ocellatus
Name: Louti
Order: Perciformes
Habitat: Marine: coral reefs in Indo-Pacific
Scientific name: Epinephelus coioides
Name: Low-fin Cusk-eel
Order: Ophidiiformes
Habitat: Deep Marine
Scientific name: Brotula
Name: Low-finned Mojarra
Order: Perciformes
Habitat: Marine: coastal waters in Western Atlantic
Scientific name: Eugerres plumieri
Name: Lowfin Grubfish
Order: Perciformes
Habitat: Marine: Indo-Pacific
Scientific name: Parapercis hexacantha
Name: Loxodon macrorhinus
Order: Carcharhiniformes
Habitat: Marine
Scientific name: Loxodon macrorhinus
Name: Loxopsetta
Order: Pleuronectiformes
Habitat: Marine
Scientific name: Loxopsetta
Name: Lub-o
Order: Perciformes
Habitat: Marine
Scientific name: Carangoides
Name: Lubina
Order: Perciformes
Habitat: Marine
Scientific name: Dicentrarchus labrax
Name: Lubricous Snake Eel
Order: Anguilliformes
Habitat: Marine
Scientific name: Apterichtus flavicaudus
Name: Lucifuga
Order: Ophidiiformes
Habitat: Freshwater (Cave fish)
Scientific name: Lucifuga
Name: Lucigadus
Order: Gadiformes
Habitat: Marine – Deepwater
Scientific name: Lucigadus
Name: Lucioperca
Order: Perciformes
Habitat: Freshwater
Scientific name: Lucioperca
Name: Luciosoma
Order: Cypriniformes
Habitat: Freshwater
Scientific name: Luciosoma
Name: Lucky Lizardfish
Order: Aulopiformes
Habitat: Marine – Eastern Pacific
Scientific name: Synodus lacertinus
Name: Luderick
Order: Perciformes
Habitat: Marine: coastal waters in Australia
Scientific name: Girella tricuspidata
Name: Luggereel
Order: Gadiformes
Habitat: Marine
Scientific name: Theragra chalcogramma
Name: Luminous Hake
Order: Gadiformes
Habitat: Marine: Western Atlantic
Scientific name: Steindachneria argentea
Name: Lumpenella
Order: Perciformes
Habitat: Marine
Scientific name: Lumpenella
Name: Lumpenus
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Lumpenus
Name: Lumpfish
Order: Scorpaeniformes
Habitat: Marine
Scientific name: Cyclopterus lumpus
Name: Lunar Fusilier
Order: Perciformes
Habitat: Marine: Indo-Pacific
Scientific name: Pterocaesio lunaris
Name: Lunar Wrasse
Order: Perciformes
Habitat: Marine: Indo-Pacific
Scientific name: Thalassoma lunare
Name: Lunar-tailed Halfbeak
Order: Beloniformes
Habitat: Marine
Scientific name: Hyporhamphus quoyi
Name: Lunartail Grouper
Order: Perciformes
Habitat: Marine: coral reefs in Indo-Pacific
Scientific name: Variola louti
Name: Lundergan's Dragonet
Order: Perciformes
Habitat: Marine: Western Pacific
Scientific name: Callionymus lundergani
Name: Lusitanichthys
Order: Perciformes
Habitat: Marine
Scientific name: Lusitanichthys
Name: Luther's Cichlid
Order: Perciformes
Habitat: Freshwater
Scientific name: Pundamilia nyererei
Name: Lutianus
Order: Lutjaniformes
Habitat: Marine
Scientific name: Lutianus
Name: Lutjanus
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus
Name: Lutjanus analis
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus analis
Name: Lutjanus apodus
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus apodus
Name: Lutjanus bohar
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus bohar
Name: Lutjanus campechanus
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus campechanus
Name: Lutjanus fulgens
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus fulgens
Name: Lutjanus fulvus
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus fulvus
Name: Lutjanus griseus
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus griseus
Name: Lutjanus kasmira
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus kasmira
Name: Lutjanus novemfasciatus
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus novemfasciatus
Name: Lutjanus peru
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus peru
Name: Lutjanus purpureus
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus purpureus
Name: Lutjanus rivulatus
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus rivulatus
Name: Lutjanus sebae
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus sebae
Name: Lutjanus synagris
Order: Perciformes
Habitat: Marine
Scientific name: Lutjanus synagris
Name: Luvar
Order: Perciformes
Habitat: Pelagic marine
Scientific name: Luvarus imperialis
Name: Luvarus imperialis
Order: Perciformes
Habitat: Marine – Pelagic worldwide
Scientific name: Luvarus imperialis
Name: Luvula
Order: Perciformes
Habitat: Marine
Scientific name: Luvula
Name: Luzon Goby
Order: Gobiiformes
Habitat: Freshwater
Scientific name: Awaous luzonensis
Name: Luzon Tuskfish
Order: Perciformes
Habitat: Marine: Western Pacific
Scientific name: Choerodon oligacanthus
Name: Luzonichthys
Order: Perciformes
Habitat: Marine
Scientific name: Luzonichthys
Name: Lycenchelys
Order: Perciformes
Habitat: Marine – Deepwater
Scientific name: Lycenchelys
Name: Lycenchelys muraena
Order: Perciformes
Habitat: Marine – North Atlantic
Scientific name: Lycenchelys muraena
Name: Lycenchelys parini
Order: Perciformes
Habitat: Deep Marine
Scientific name: Lycenchelys parini
Name: Lycengraulis
Order: Clupeiformes
Habitat: Brackish/Marine – Americas
Scientific name: Lycengraulis
Name: Lycodapus
Order: Perciformes
Habitat: Deep marine
Scientific name: Lycodapus mandibularis
Name: Lycodes
Order: Perciformes
Habitat: Deep marine
Scientific name: Lycodes esmarcki
Name: Lycodes atlanticus
Order: Perciformes
Habitat: Marine – North Atlantic
Scientific name: Lycodes atlanticus
Name: Lycodes frigidus
Order: Perciformes
Habitat: Marine – Arctic
Scientific name: Lycodes frigidus
Name: Lycodes pallidus
Order: Perciformes
Habitat: Deep Marine
Scientific name: Lycodes pallidus
Name: Lycodes polaris
Order: Perciformes
Habitat: Deep Marine
Scientific name: Lycodes polaris
Name: Lycodes reticulatus
Order: Perciformes
Habitat: Marine – North Atlantic
Scientific name: Lycodes reticulatus
Name: Lycodes vahli
Order: Osteichthyes
Habitat: Marine
Scientific name: Lycodes vahli
Name: Lycodes vahlii
Order: Perciformes
Habitat: Marine – North Atlantic
Scientific name: Lycodes vahlii
Name: Lycodichthys
Order: Perciformes
Habitat: Marine – Antarctic
Scientific name: Lycodichthys
Name: Lycodon
Order: Serpentes
Habitat: Snake
Scientific name: Lycodon
Name: Lycodops
Order: Perciformes
Habitat: Deep Marine
Scientific name: Lycodopsis
Name: Lycodopsis
Order: Perciformes
Habitat: Marine
Scientific name: Lycodopsis
Name: Lycodopsis pacifica
Order: Perciformes
Habitat: Deep Marine
Scientific name: Lycodopsis pacifica
Name: Lycogramma
Order: Perciformes
Habitat: Marine – Deepwater
Scientific name: Lycogramma
Name: Lyconema
Order: Perciformes
Habitat: Marine
Scientific name: Lyconema
Name: Lyconus
Order: Gadiformes
Habitat: Marine
Scientific name: Lyconus
Name: Lycothrissa
Order: Clupeiformes
Habitat: Freshwater
Scientific name: Lycothrissa
Name: Lycozoarces
Order: Perciformes
Habitat: Deep Marine
Scientific name: Lycozoarces
Name: Lyme Bay Anglerfish
Order: Lophiiformes
Habitat: Marine – Eastern Atlantic
Scientific name: Lophius piscatorius
Name: Lynxfish
Order: Ophidiiformes
Habitat: Marine – Indo-Pacific
Scientific name: Neobythites unimaculatus
Name: Lyre Anglerfish
Order: Lophiiformes
Habitat: Marine
Scientific name: Lophiomus setigerus
Name: Lyre Damselfish
Order: Perciformes
Habitat: Marine
Scientific name: Pomacentrus lyra
Name: Lyre Goby
Order: Gobiiformes
Habitat: Marine: Eastern Pacific
Scientific name: Lythrypnus dalli
Name: Lyre Perch
Order: Perciformes
Habitat: Marine: Western Pacific
Scientific name: Symphorus spilurus
Name: Lyre Snapper
Order: Perciformes
Habitat: Marine: Indo-Pacific
Scientific name: Lutjanus kasmira
Name: Lyretail Anthias
Order: Perciformes
Habitat: Marine – Indo-Pacific
Scientific name: Pseudanthias squamipinnis
Name: Lyretail Hogfish
Order: Perciformes
Habitat: Marine: coral reefs in Indo-Pacific
Scientific name: Bodianus anthioides
Name: Lyretail Lyre Goby
Order: Gobiiformes
Habitat: Marine
Scientific name: Gobiodon lyra
Name: Lyretail Perch
Order: Perciformes
Habitat: Marine: coral reefs in Indo-Pacific
Scientific name: Epinephelus microdon
Name: Lyretail Toothcarp
Order: Cyprinodontiformes
Habitat: Freshwater
Scientific name: Aphyosemion bivittatum
Name: Lyretail Wrasse
Order: Perciformes
Habitat: Marine: coral reefs in Indo-Pacific
Scientific name: Pteragogus flagellifer
Name: Lythrurus
Order: Cypriniformes
Habitat: Freshwater – North America
Scientific name: Lythrurus
| Name | Order | Habitat | Scientific name |
|---|---|---|---|
| La Plata River Ray | Myliobatiformes | Freshwater | Potamotrygon brachyura |
| La Plata Sturgeon | Acipenseriformes | Freshwater | Acipenser platyrhynchus |
| Labeo alluaudi | Cypriniformes | Freshwater | Labeo alluaudi |
| Labeo annectens | Cypriniformes | Freshwater | Labeo annectens |
| Labeo artedi | Cypriniformes | Freshwater | Labeo artedi |
| Labeo barbatulus | Cypriniformes | Freshwater | Labeo barbatulus |
| Labeo barbatus | Cypriniformes | Freshwater | Labeo barbatus |
| Labeo bata | Cypriniformes | Freshwater | Labeo bata |
| Labeo boga | Cypriniformes | Freshwater | Labeo boga |
| Labeo borealis | Cypriniformes | Freshwater | Labeo borealis |
| Labeo bottegi | Cypriniformes | Freshwater | Labeo bottegi |
| Labeo boulengeri | Cypriniformes | Freshwater | Labeo boulengeri |
| Labeo brachypoma | Cypriniformes | Freshwater | Labeo brachypoma |
| Labeo brevipinnis | Cypriniformes | Freshwater | Labeo brevipinnis |
| Labeo brunellii | Cypriniformes | Freshwater | Labeo brunellii |
| Labeo calbasu | Cypriniformes | Freshwater | Labeo calbasu |
| Labeo camerunensis | Cypriniformes | Freshwater | Labeo camerunensis |
| Labeo capensis | Cypriniformes | Freshwater | Labeo capensis |
| Labeo carens | Cypriniformes | Freshwater | Labeo carens |
| Labeo chariensis | Cypriniformes | Freshwater | Labeo chariensis |
| Labeo chrysophekadion | Cypriniformes | Freshwater | Labeo chrysophekadion |
| Labeo coubie | Cypriniformes | Freshwater | Labeo coubie |
| Labeo curchi | Cypriniformes | Freshwater | Labeo curchi |
| Labeo curtus | Cypriniformes | Freshwater | Labeo curtus |
| Labeo cyclorhynchus | Cypriniformes | Freshwater | Labeo cyclorhynchus |
| Labeo degeni | Cypriniformes | Freshwater | Labeo degeni |
| Labeo dhonti | Cypriniformes | Freshwater | Labeo dhonti |
| Labeo dussumieri | Cypriniformes | Freshwater | Labeo dussumieri |
| Labeo dyocheilus | Cypriniformes | Freshwater | Labeo dyocheilus |
| Labeo erythropterus | Cypriniformes | Freshwater | Labeo erythropterus |
| Labeo falcipinnis | Cypriniformes | Freshwater | Labeo falcipinnis |
| Labeo fimbriatus | Cypriniformes | Freshwater | Labeo fimbriatus |
| Labeo forskalii | Cypriniformes | Freshwater | Labeo forskalii |
| Labeo fuelleborni | Cypriniformes | Freshwater | Labeo fuelleborni |
| Labeo goniocheilus | Cypriniformes | Freshwater | Labeo goniocheilus |
| Labeo gonius | Cypriniformes | Freshwater | Labeo gonius |
| Labeo greeni | Cypriniformes | Freshwater | Labeo greeni |
| Labeo horie | Cypriniformes | Freshwater | Labeo horie |
| Labeo indus | Cypriniformes | Freshwater | Labeo indus |
| Labeo kawrus | Cypriniformes | Freshwater | Labeo kawrus |
| Labeo kibiki | Cypriniformes | Freshwater | Labeo kibiki |
| Labeo kirkii | Cypriniformes | Freshwater | Labeo kirkii |
| Labeo kontius | Cypriniformes | Freshwater | Labeo kontius |
| Labeo krohni | Cypriniformes | Freshwater | Labeo krohni |
| Labeo langi | Cypriniformes | Freshwater | Labeo langi |
| Labeo lankae | Cypriniformes | Freshwater | Labeo lankae |
| Labeo lineatus | Cypriniformes | Freshwater | Labeo lineatus |
| Labeo longipinnis | Cypriniformes | Freshwater | Labeo longipinnis |
| Labeo lubinae | Cypriniformes | Freshwater | Labeo lubinae |
| Labeo lunatus | Cypriniformes | Freshwater | Labeo lunatus |
| Labeo macmahoni | Cypriniformes | Freshwater | Labeo macmahoni |
| Labeo maleboensis | Cypriniformes | Freshwater | Labeo maleboensis |
| Labeo meroensis | Cypriniformes | Freshwater | Labeo meroensis |
| Labeo microphthalmus | Cypriniformes | Freshwater | Labeo microphthalmus |
| Labeo minutus | Cypriniformes | Freshwater | Labeo minutus |
| Labeo mokotoensis | Cypriniformes | Freshwater | Labeo mokotoensis |
| Labeo molybdinus | Cypriniformes | Freshwater | Labeo molybdinus |
| Labeo moszkowskii | Cypriniformes | Freshwater | Labeo moszkowskii |
| Labeo mweruensis | Cypriniformes | Freshwater | Labeo mweruensis |
| Labeo nandina | Cypriniformes | Freshwater | Labeo nandina |
| Labeo nasus | Cypriniformes | Freshwater | Labeo nasus |
| Labeo nigricans | Cypriniformes | Freshwater | Labeo nigricans |
| Labeo nigripinnis | Cypriniformes | Freshwater | Labeo nigripinnis |
| Labeo niloticus | Cypriniformes | Freshwater | Labeo niloticus |
| Labeo pellegrini | Cypriniformes | Freshwater | Labeo pellegrini |
| Labeo percivali | Cypriniformes | Freshwater | Labeo percivali |
| Labeo pierrei | Cypriniformes | Freshwater | Labeo pierrei |
| Labeo pietschmanni | Cypriniformes | Freshwater | Labeo pietschmanni |
| Labeo polystigma | Cypriniformes | Freshwater | Labeo polystigma |
| Labeo porcellus | Cypriniformes | Freshwater | Labeo porcellus |
| Labeo rohita | Cypriniformes | Freshwater | Labeo rohita |
| Labeo roseopunctatus | Cypriniformes | Freshwater | Labeo roseopunctatus |
| Labeo rubromaculatus | Cypriniformes | Freshwater | Labeo rubromaculatus |
| Labeo ruddi | Cypriniformes | Freshwater | Labeo ruddi |
| Labeo seeberi | Cypriniformes | Freshwater | Labeo seeberi |
| Labeo senegalensis | Cypriniformes | Freshwater | Labeo senegalensis |
| Labeo simpsoni | Cypriniformes | Freshwater | Labeo simpsoni |
| Labeo sorex | Cypriniformes | Freshwater | Labeo sorex |
| Labeo spininger | Cypriniformes | Freshwater | Labeo spininger |
| Labeo stoliczkai | Cypriniformes | Freshwater | Labeo stoliczkai |
| Labeo trigonocephalus | Cypriniformes | Freshwater | Labeo trigonocephalus |
| Labeo tylopeltis | Cypriniformes | Freshwater | Labeo tylopeltis |
| Labeo umbratus | Cypriniformes | Freshwater | Labeo umbratus |
| Labeo victorianus | Cypriniformes | Freshwater | Labeo victorianus |
| Labeo worthingtoni | Cypriniformes | Freshwater | Labeo worthingtoni |
| Labeo yunnanensis | Cypriniformes | Freshwater | Labeo yunnanensis |
| Labeobarbus | Cypriniformes | Freshwater | Labeobarbus |
| Labeobarbus altianalis | Cypriniformes | Freshwater | Labeobarbus altianalis |
| Labeobarbus brevicauda | Cypriniformes | Freshwater | Labeobarbus brevicauda |
| Labeotropheus fuelleborni | Cichliformes | Freshwater – Lake Malawi | Labeotropheus fuelleborni |
| Labes | Perciformes | Marine | Labes |
| Labichthys | Anguilliformes | Marine | Labichthys |
| Labidesthes sicculus | Atheriniformes | Freshwater | Labidesthes sicculus |
| Labiobarbus | Cypriniformes | Freshwater | Labiobarbus |
| Labracinus cyclophthalmus | Perciformes | Marine – Western Pacific | Labracinus cyclophthalmus |
| Labracinus dorsalis | Perciformes | Marine | Labracinus dorsalis |
| Labracinus lineatus | Perciformes | Marine | Labracinus lineatus |
| Labracinus melanotaenia | Perciformes | Marine | Labracinus melanotaenia |
| Labracoglossa argenteiventris | Perciformes | Marine | Labracoglossa argenteiventris |
| Labracoglossa orientalis | Perciformes | Marine | Labracoglossa orientalis |
| Labracoglossa typica | Perciformes | Marine | Labracoglossa typica |
| Labracoglossum nigromarginatum | Perciformes | Marine | Labracoglossum nigromarginatum |
| Labrax | Perciformes | Marine | Labrax |
| Labrichthys unilineatus | Perciformes | Marine – Indo-Pacific | Labrichthys unilineatus |
| Labridae | Perciformes | Marine | Labridae |
| Labrisomus | Perciformes | Marine | Labrisomus |
| Labrisomus bucciferus | Blenniiformes | Marine | Labrisomus bucciferus |
| Labrisomus haitiensis | Blenniiformes | Marine | Labrisomus haitiensis |
| Labroides | Perciformes | Marine | Labroides |
| Labroides bicolor | Perciformes | Marine | Labroides bicolor |
| Labroides dimidiatus | Perciformes | Marine – Indo-Pacific | Labroides dimidiatus |
| Labroides pectoralis | Perciformes | Marine | Labroides pectoralis |
| Labroides phthirophagus | Perciformes | Marine | Labroides phthirophagus |
| Labroides rubrolabiatus | Perciformes | Marine | Labroides rubrolabiatus |
| Labropsis manabei | Perciformes | Marine – Western Pacific | Labropsis manabei |
| Labrosparus | Perciformes | Marine | Labrosparus |
| Labrus | Perciformes | Marine | Labrus |
| Labrus bergylta | Perciformes | Marine | Labrus bergylta |
| Labrus mixtus | Perciformes | Marine | Labrus mixtus |
| Labrus viridis | Perciformes | Marine | Labrus viridis |
| Labsicarpio | Cypriniformes | Freshwater | Labsicarpio |
| Labyrinth Catfish | Siluriformes | Freshwater: Asia | Clarias batrachus |
| Lace Moray | Anguilliformes | Marine | Gymnothorax favagineus |
| Lacer | Perciformes | Marine: Atlantic and Mediterranean | Lacerdae |
| Lachner's Moray | Anguilliformes | Marine: coral reefs in Indo-Pacific | Gymnothorax lachneri |
| Lachnolaimus maximus | Perciformes | Marine | Lachnolaimus maximus |
| Lactarius lactarius | Perciformes | Marine – Indo-Pacific | Lactarius lactarius |
| Lactoria cornuta | Tetraodontiformes | Marine | Lactoria cornuta |
| Lactoria diaphana | Tetraodontiformes | Marine | Lactoria diaphana |
| Lactoria fornasini | Tetraodontiformes | Marine | Lactoria fornasini |
| Lacustrine Sculpin | Scorpaeniformes | Freshwater: lakes and rivers in North America | Cottus confusus |
| Ladigesia roloffi | Characiformes | Freshwater – West Africa | Ladigesia roloffi |
| Ladyfish | Elopiformes | Coastal and estuarine | Elops saurus |
| Laemolyta | Characiformes | Freshwater | Laemolyta |
| Laemonema goodebeanorum | Gadiformes | Marine – Western Atlantic | Laemonema goodebeanorum |
| Laemonema longipes | Gadiformes | Deep Marine | Laemonema longipes |
| Laemonema melananthera | Gadiformes | Deep Marine | Laemonema melananthera |
| Laemonema modestum | Gadiformes | Deep Marine | Laemonema modestum |
| Laemonema multiradiatum | Gadiformes | Deep Marine | Laemonema multiradiatum |
| Laemonema nana | Gadiformes | Deep Marine | Laemonema nana |
| Laemonema nudirostre | Gadiformes | Deep Marine | Laemonema nudirostre |
| Laemonema robustum | Gadiformes | Deep Marine | Laemonema robustum |
| Laemonema verecundum | Gadiformes | Deep Marine | Laemonema verecundum |
| Lafayette | Perciformes | Marine | Leiostomus xanthurus |
| Lagarodus parviceps | Tetraodontiformes | Marine | Lagarodus parviceps |
| Lagena | Perciformes | Marine | Lagena |
| Lagergreniella | Gadiformes | Marine | Lagergreniella |
| Lagniappe armatum | Perciformes | Marine | Lagniappe armatum |
| Lagocephalus | Tetraodontiformes | Marine | Lagocephalus |
| Lagocephalus guentheri | Tetraodontiformes | Marine | Lagocephalus guentheri |
| Lagocephalus lagocephalus | Tetraodontiformes | Marine | Lagocephalus lagocephalus |
| Lagocephalus lunaris | Tetraodontiformes | Marine | Lagocephalus lunaris |
| Lagocephalus sceleratus | Tetraodontiformes | Marine – Indo-Pacific | Lagocephalus sceleratus |
| Lagocephalus spadiceus | Tetraodontiformes | Marine | Lagocephalus spadiceus |
| Lagocephalus suezensis | Tetraodontiformes | Marine | Lagocephalus suezensis |
| Lagocheirus | Tetraodontiformes | Marine | Arothron |
| Lagodon | Perciformes | Marine | Lagodon |
| Lagodon rhomboides | Perciformes | Marine – Western Atlantic | Lagodon rhomboides |
| Lagoon Damselfish | Perciformes | Marine | Pomacentrus trivittatus |
| Lagophtalmus | Aulopiformes | Marine | Lagophtalmus |
| Lagostomus | Siluriformes | Freshwater | Lagostomus |
| Laguna Beach Fish | Actinopterygii | Marine | Laguna Beach Fish |
| Lahille's Catfish | Siluriformes | Freshwater rivers | Pimelodus lahillei |
| Lahillea | Lophiiformes | Marine | Lahillea |
| Lahontan Cutthroat | Salmoniformes | Freshwater | Oncorhynchus clarkii henshawi |
| Lahontan Cutthroat Trout | Salmoniformes | Freshwater | Oncorhynchus clarkii henshawi |
| Laimosemion | Cyprinodontiformes | Freshwater – South America | Laimosemion |
| Laius | Atheriniformes | Freshwater | Laius |
| Lake Charr | Salmoniformes | Cold freshwater lakes | Salvelinus namaycush |
| Lake Chubsucker | Cypriniformes | Freshwater | Erimyzon sucetta |
| Lake Herring | Salmoniformes | Freshwater: cold lakes in North America | Coregonus artedi |
| Lake Sturgeon | Acipenseriformes | Freshwater lakes and rivers | Acipenser fulvescens |
| Lake Tanganyikan Sardine | Clupeiformes | Freshwater | Limnothrissa miodon |
| Lake Trout | Salmoniformes | Cold freshwater lakes | Salvelinus namaycush |
| Lake Whitefish | Salmoniformes | Freshwater: cold lakes in North America | Coregonus clupeaformis |
| Lake Whiting | Gadiformes | Coastal marine | Merlangius merlangus |
| Lakeland Mudfish | Perciformes | Freshwater | Neochanna apoda |
| Lakoclippeidae | Perciformes | Marine (fossil family) | Lakoclippeidae |
| Lalia | Perciformes | Freshwater | Trichogaster lalius |
| Lamb Fish | Perciformes | Freshwater | Labeo calbasu |
| Lambdoptena | Perciformes | Marine | Lambdoptena |
| Lambe | Perciformes | Marine | Caesio cuning |
| Lambi | Anguilliformes | Marine | Muraena |
| Lamellodiscus | Monogenea | Parasitic | Lamellodiscus |
| Lamelloperca | Perciformes | Marine | Lamelloperca |
| Lamia | Lampriformes | Marine | Lamia |
| Lamiak | Perciformes | Freshwater | Labeo |
| Lamichthys | Lampriformes | Marine | Lamichthys |
| Lamiidae | Perciformes | Deep marine | Lamia dentata |
| Lamna ditropis | Lamniformes | Marine – North Pacific | Lamna ditropis |
| Lamna nasus | Lamniformes | Marine – North Atlantic | Lamna nasus |
| Lamniformes | Lamniformes | Marine | Lamniformes |
| Lampanyctus | Myctophiformes | Marine | Lampanyctus |
| Lampanyctus alatus | Myctophiformes | Marine | Lampanyctus alatus |
| Lampanyctus crocodilus | Myctophiformes | Deep Marine | Lampanyctus crocodilus |
| Lampanyctus guentheri | Myctophiformes | Deep Marine | Lampanyctus guentheri |
| Lampanyctus intricarius | Myctophiformes | Deep Marine | Lampanyctus intricarius |
| Lampanyctus macropterus | Myctophiformes | Marine | Lampanyctus macropterus |
| Lampea | Lampriformes | Marine | Lampea |
| Lampetra | Petromyzontiformes | Freshwater/Marine | Lampetra |
| Lampetra appendix | Petromyzontiformes | Freshwater | Lampetra appendix |
| Lampetra ayresii | Petromyzontiformes | Freshwater | Lampetra ayresii |
| Lampetra fluviatilis | Petromyzontiformes | Freshwater | Lampetra fluviatilis |
| Lampetra planeri | Petromyzontiformes | Freshwater | Lampetra planeri |
| Lampetra tridentata | Petromyzontiformes | Freshwater | Lampetra tridentata |
| Lampfish | Myctophiformes | Marine: deep ocean | Myctophidae |
| Lamphornis | Siluriformes | Freshwater | Lamphornis |
| Lamphredus | Teleostei | Deep Marine | Lamphredus |
| Lampington's Surgeonfish | Perciformes | Marine | Acanthurus lamingtonii |
| Lampis | Perciformes | Marine | Lampis |
| Lampocteis | Ctenophora | Deep Marine | Lampocteis |
| Lamprey | Petromyzontiformes | Freshwater and Marine: temperate regions | Petromyzontiformes |
| Lamprey Eel | Petromyzontiformes | Freshwater and Marine: northern hemisphere | Ichthyomyzon spp. |
| Lamprichthys | Cyprinodontiformes | Freshwater lake | Lamprichthys tanganicanus |
| Lamprichthys tanganicanus | Cyprinodontiformes | Freshwater – Lake Tanganyika | Lamprichthys tanganicanus |
| Lampridiformes | Lampridiformes | Marine | Lampridiformes |
| Lampriform | Lampriformes | Deep marine | Lampriforma |
| Lampris guttatus | Lampriformes | Marine – Pelagic worldwide | Lampris guttatus |
| Lamprogrammus | Ophidiiformes | Marine | Lamprogrammus |
| Lamprologus | Cichliformes | Freshwater | Lamprologus |
| Lamprologus brichardi | Cichliformes | Freshwater | Lamprologus brichardi |
| Lampugna | Carangiformes | Marine | Coryphaena hippurus |
| Lamrostoma | Perciformes | Marine | Lamrostoma |
| Lanarius | Perciformes | Marine | Lanarius |
| Lance Blenny | Blenniiformes | Marine: coral reefs in Indo-Pacific | Omobranchus ferox |
| Lance Dragonet | Perciformes | Marine | Callionymus lanceolatus |
| Lancefish | Aulopiformes | Marine | Alepisaurus ferox |
| Lancelet | Cephalochordata | Marine | Branchiostoma |
| Lanceolatus | Perciformes | Marine | Lanceolatus |
| Lancer Dragonet | Perciformes | Marine: Atlantic Ocean | Callionymus bairdi |
| Lancetfish | Aulopiformes | Marine – Deepwater worldwide | Alepisaurus ferox |
| Lancing Fish | Perciformes | Marine | Scomberesox saurus |
| Land Goby | Gobiiformes | Brackish/Marine | Oxyurichthys microlepis |
| Land Sardine | Ophidiiformes | Freshwater | Macrognathus pancalus |
| Lander's Flounder | Pleuronectiformes | Marine | Samaris cristata |
| Landing Net Fish | Perciformes | Marine | Psettodes erumei |
| Lane Snapper | Perciformes | Marine | Lutjanus synagris |
| Lange's Pipefish | Syngnathiformes | Marine | Corythoichthys paxtoni |
| Langsdorf's Damselfish | Perciformes | Marine | Pomacentrus langsdorfi |
| Langsdorf's Spiny Oyster | Ostraciidae | Marine | Tetrosomus concatenatus |
| Lantana Snapper | Perciformes | Marine | Lutjanus bitaeniatus |
| Lantern Belly | Myctophiformes | Deep marine | Myctophum punctatum |
| Lantern Shark | Squaliformes | Marine | Etmopteridae |
| Lanternfish | Myctophiformes | Marine: deep ocean | Myctophidae |
| Lapin | Perciformes | Marine | Holocentrus adscensionis |
| Laputa Basslet | Perciformes | Marine | Liopropoma aberrans |
| Laputa Sculpin | Scorpaeniformes | Freshwater | Cottus laputae |
| Large-Scale Threadfin | Polymixiiformes | Marine | Polymixia nobilis |
| Large-eye Boti | Cypriniformes | Freshwater rivers | Botia kubotai |
| Large-eye Dentex | Perciformes | Marine | Dentex macrophthalmus |
| Large-eye Rockfish | Scorpaeniformes | Marine | Sebastes marinus |
| Large-eye Snapper | Perciformes | Marine | Lutjanus madras |
| Large-eyed Dentex | Perciformes | Marine | Dentex macrophthalmus |
| Large-mouth Rockfish | Scorpaeniformes | Marine | Sebastes kawaradae |
| Large-scale Grubfish | Perciformes | Marine | Parapercis macrophthalmus |
| Large-scaled Barbel | Cypriniformes | Freshwater rivers | Barbus macroscale |
| Largemarked Snake Eel | Anguilliformes | Marine | Ophichthus punctifer |
| Largemouth Black Bass | Perciformes | Freshwater | Micropterus salmoides |
| Largemouth Blenny | Blenniiformes | Marine | Antennablennius macromystax |
| Largemouth Scorpionfish | Scorpaeniformes | Marine | Scorpaena notata |
| Largemouth Sole | Pleuronectiformes | Marine | Hippoglossoides platessoides |
| Largemouth Triplefin | Blenniiformes | Marine: rocky shores in New Zealand | Gilloblennius abditus |
| Largenose Catfish | Siluriformes | Freshwater | Pimelodus navarroi |
| Largescale Flounder | Pleuronectiformes | Marine – North Pacific | Pseudopleuronectes dignabilis |
| Largescale Four-eye | Perciformes | Marine | Chaetodon quadrimaculatus |
| Largescale Mullet | Mugiliformes | Marine and Brackish: Indo-Pacific | Liza macrolepis |
| Largescale Redfin | Cypriniformes | Freshwater | Tribolodon hakonensis |
| Largescale Scad | Carangiformes | Marine | Trachurus declivis |
| Largescale Skate | Rajiformes | Marine | Raja straeleni |
| Largescale Tonguesole | Pleuronectiformes | Marine | Cynoglossus arel |
| Largescale Triggerfish | Tetraodontiformes | Marine | Sufflamen bursa |
| Largescaled Sanddiver | Gymnoscopelus nicholsi | Marine | Scomberesocidae |
| Largescaled Sandfish | Perciformes | Marine | Arctoscopus japonicus |
| Largespike Sole | Pleuronectiformes | Marine | Symphurus spilurus |
| Largespotted Goby | Gobiiformes | Marine | Stonogobiops nematodes |
| Largespotted Gourami | Anabantiformes | Freshwater | Trichopodus microlepis |
| Largespotted Grunt | Perciformes | Marine | Pomadasys maculatus |
| Largespotted Skate | Rajiformes | Marine | Raja straeleni |
| Largespotted Snake Eel | Anguilliformes | Marine | Ophichthus punctifer |
| Largestar Skate | Rajiformes | Marine | Raja asterias |
| Largetooth Flounder | Pleuronectiformes | Marine: coastal waters in Western Atlantic | Paralichthys dentatus |
| Largetooth Jawfish | Perciformes | Marine | Opistognathus macrognathus |
| Largetooth Sawfish | Pristiformes | Marine and Freshwater: tropical and subtropical coastal waters | Pristis pristis |
| Largetooth Triggerfish | Tetraodontiformes | Marine | Balistes polylepis |
| Lark Perch | Perciformes | Marine and Brackish: Indo-Pacific | Terapon jarbua |
| Larkin's Pipefish | Syngnathiformes | Marine | Syngnathus larteti |
| Larpent's Blenny | Blenniiformes | Marine | Parablennius gattorugine |
| Larva of an eel | Anguilliformes | Marine – Open Ocean | Leptocephalus |
| Larval Fish | Actinopterygii | Various | Larval fish |
| Larval Goby | Gobiiformes | Marine | Goby larvae |
| Larval Pipefish | Syngnathiformes | Marine | Dunckerocampus dactyliophorus |
| Lasiognathus | Lophiiformes | Marine | Lasiognathus |
| Lastrea | Perciformes | Marine – Pacific | Lastrea |
| Lateolabrax japonicus | Perciformes | Marine/Brackish – East Asia | Lateolabrax japonicus |
| Lates | Perciformes | Freshwater | Lates niloticus |
| Lates calcarifer | Perciformes | Marine/Brackish/Freshwater – Indo-Pacific | Lates calcarifer |
| Lates niloticus | Perciformes | Freshwater | Lates niloticus |
| Laticola | Perciformes | Marine | Laticola boops |
| Latimeria | Coelacanthiformes | Marine: deep waters in Indian Ocean | Latimeria chalumnae |
| Latimeria Chalumnae | Coelacanthiformes | Deep marine | Latimeria chalumnae |
| Latimeria Menadoensis | Coelacanthiformes | Deep marine | Latimeria menadoensis |
| Latimeria chalumnae | Coelacanthiformes | Deep Marine | Latimeria chalumnae |
| Latimeria coelacanthi | Coelacanthiformes | Marine | Latimeria coelacanthi |
| Latimeria menadoensis | Coelacanthiformes | Deep Marine | Latimeria menadoensis |
| Latimeroidea | Coelacanthiformes | Marine | Latimeroidea |
| Latimidae | Coelacanthiformes | Deep Marine | Latimeriidae |
| Latin grunt | Perciformes | Marine – Eastern Pacific | Haemulon steindachneri |
| Latipora | Perciformes | Marine | Latipora |
| Latreille's Grunter | Perciformes | Freshwater/Brackish – Australia | Amniataba caudavittata |
| Latrellia | Perciformes | Marine | Latrellia |
| Latris lineata | Perciformes | Marine | Latris lineata |
| Latrunculia | Perciformes | Marine | Latrunculia |
| Lattice Blenny | Blenniiformes | Marine | Entomacrodus stellifer stellifer |
| Lattice Soldierfish | Beryciformes | Marine | Myripristis berndti |
| Lattice Tang | Acanthuriformes | Marine | Acanthurus triostegus |
| Latticed Butterflyfish | Perciformes | Marine | Chaetodon reticulatus |
| Lau Lau | Siluriformes | Freshwater: rivers in South America | Panaque armbrusteri |
| Lau-Lau | Siluriformes | Freshwater | Brachyplatystoma vaillantii |
| Laubuka | Cypriniformes | Freshwater – Asia | Laubuka |
| Laubuka laubuca | Cypriniformes | Freshwater | Laubuka laubuca |
| Laudakia stellio | Perciformes | Marine – Mediterranean | Laudakia stellio |
| Laughead Sculpin | Scorpaeniformes | Freshwater | Cottus launghead |
| Laughing Owlfish | Aulopiformes | Deep marine | Tetrabranchion plumaticeps |
| Laulao Catfish | Siluriformes | Freshwater | Brachyplatystoma vaillantii |
| Laulau | Perciformes | Marine | Polymixia japonica |
| Laupala Goby | Gobiiformes | Freshwater | Laupala kasebae |
| Laura | Cypriniformes | Freshwater (fossil genus) | Laura |
| Laurentian Sculpin | Scorpaeniformes | Freshwater | Myoxocephalus thompsonii |
| Lavandera | Perciformes | Marine | Trachurus trecae |
| Lavarel's Goby | Gobiiformes | Marine | Pomatoschistus microps |
| Lavern's Goby | Perciformes | Marine – Atlantic | Gobius lavernicos |
| Lawson's Conger | Anguilliformes | Marine | Conger conger |
| Lawson's Moray | Anguilliformes | Marine | Gymnothorax lawsoni |
| Laxartus | Lampriformes | Marine | Laxartus |
| Laxenema | Perciformes | Marine – Indo-Pacific | Laxenema |
| Laxionema | Perciformes | Marine – Indo-Pacific | Laxionema |
| Lazy Shark | Orectolobiformes | Marine | Orectolobus halei |
| Lead Damselfish | Perciformes | Marine | Plectroglyphidodon leucozonus |
| Leaden Seaperch | Perciformes | Marine | Epinephelus coioides |
| Leaf Fish | Perciformes | Freshwater: slow-moving streams in South America | Monocirrhus polyacanthus |
| Leaf Flounder | Pleuronectiformes | Marine | Pleuronichthys coenosus |
| Leaf Scorpionfish | Scorpaeniformes | Marine: coral reefs in Indo-Pacific | Taenianotus triacanthus |
| Leaf Wriggler | Perciformes | Marine | Centropyge loriculus |
| Leaf-nosed Batfish | Batrachoidiformes | Marine | Halobatrachus didactylus |
| Leafbeaked Sandfish | Perciformes | Marine | Gonorynchus gonorynchus |
| Leafscale Gulper Shark | Squaliformes | Marine: deep waters worldwide | Centrophorus squamosus |
| Leafy Seadragon | Syngnathiformes | Marine – Southern Australia | Phycodurus eques |
| Leander's Pipefish | Syngnathiformes | Marine – Eastern Pacific | Syngnathus leptorhynchus |
| Leaping Bonito | Scombriformes | Marine | Katsuwonus pelamis |
| Leaping Mullet | Mugiliformes | Marine | Liza alata |
| Least Killifish | Cyprinodontiformes | Freshwater: southeastern United States | Heterandria formosa |
| Leather Bass | Perciformes | Marine: rocky reefs in Eastern Pacific | Dermatolepis dermatolepis |
| Leather Basslet | Perciformes | Marine: Western Atlantic | Serraniculus pumilio |
| Leather Carp | Cypriniformes | Freshwater | Cyprinus carpio |
| Leather Jack | Carangiformes | Marine | Oligoplites saurus |
| Leather Jacket Fish | Tetraodontiformes | Marine | Aluterus scriptus |
| Leather Jumps | Lophiiformes | Marine | Lophius piscatorius |
| Leatherfin Goby | Gobiiformes | Brackish/Freshwater | Glossogobius giuris |
| Leatherjack | Carangiformes | Marine | Carangoides bartholomaei |
| Leatherjacket | Tetraodontiformes | Marine: temperate and tropical oceans | Aluterus schoepfii |
| Leatherjacket (General) | Tetraodontiformes | Marine | Monacanthidae |
| Leatherlip Moray | Anguilliformes | Marine | Gymnothorax pictus |
| Leatherskin | Carangiformes | Marine: tropical and subtropical oceans | Kaiwarinus equula |
| Leatherwing | Perciformes | Marine | Trachinotus carolinus |
| Leathery Sea Squirt | Tetraodontiformes | Marine | Monacanthus chinensis |
| Leathes' Goby | Perciformes | Marine | Gobius niger |
| Lebias | Cyprinodontiformes | Freshwater | Lebias |
| Lebiasina | Characiformes | Freshwater | Lebiasina |
| Lebiasina aureoguttata | Characiformes | Freshwater | Lebiasina aureoguttata |
| Lebiasina bimaculata | Characiformes | Freshwater | Lebiasina bimaculata |
| Lebiasinidae | Characiformes | Freshwater | Lebiasinidae |
| Lebranche Mullet | Mugiliformes | Marine – Western Atlantic | Mugil liza |
| Leda's Perch | Perciformes | Freshwater | Percina caprodes |
| Ledgerdemain Wrasse | Perciformes | Marine – Western Pacific | Halichoeres tenuispinis |
| Leech Eel | Anguilliformes | Marine | Moringua ferruginea |
| Leeuwenhoekiella | Carcharhiniformes | Marine | Leeuwenhoekiella |
| Left-eye Flatfish | Pleuronectiformes | Marine | Bothidae |
| Leftalone Skate | Rajiformes | Marine | Raja leftalone |
| Lefteye Flounder | Pleuronectiformes | Marine | Bothidae |
| Leibaruchthys | Atheriniformes | Marine | Leibaruchthys |
| Leiden's Cichlid | Cichliformes | Freshwater | Thorichthys meeki |
| Leiocassis | Siluriformes | Freshwater | Leiocassis siamensis |
| Leiocephalus | Perciformes | Marine | Leiocephalus |
| Leiognathidae | Perciformes | Marine | Leiognathidae |
| Leiognathus equulus | Perciformes | Marine – Indo-Pacific | Leiognathus equulus |
| Leiognathus fasciatus | Perciformes | Marine | Leiognathus fasciatus |
| Leiognathus nuchalis | Perciformes | Marine | Leiognathus nuchalis |
| Leiognathus splendens | Perciformes | Marine | Leiognathus splendens |
| Leiomaster | Perciformes | Marine – Indo-Pacific | Leiomaster |
| Leionura | Actinopterygii | Marine | Leionura |
| Leiopotherapon unicolor | Perciformes | Freshwater – Australia | Leiopotherapon unicolor |
| Leioptilus | Perciformes | Marine | Leioptilus |
| Leiosicya | Blenniiformes | Marine | Leiosicya adolfi |
| Leiostomus xanthurus | Perciformes | Marine | Leiostomus xanthurus |
| Leitos | Perciformes | Marine | Leitos |
| Lembeh Seadragon | Syngnathiformes | Marine – Western Pacific | Solegnathus hardwickii |
| Lembos | Perciformes | Marine | Lembos |
| Lembulus | Perciformes | Marine | Lembulus |
| Lemon Dab | Pleuronectiformes | Marine | Microstomus kitt |
| Lemon Damselfish | Perciformes | Marine – Western Pacific | Pomacentrus moluccensis |
| Lemon Shark | Carcharhiniformes | Marine: coastal waters in Atlantic and Pacific | Negaprion brevirostris |
| Lemon Sole | Pleuronectiformes | Marine: sandy bottoms in North Atlantic | Microstomus kitt |
| Lemon sole | Pleuronectiformes | Marine – North Atlantic | Microstomus kitt |
| Lentipes | Gobiiformes | Freshwater | Lentipes |
| Leopard Anemonefish | Perciformes | Marine – Western Indian Ocean | Amphiprion chrysogaster |
| Leopard Blenny | Blenniiformes | Marine | Exallias brevis |
| Leopard Bushfish | Perciformes | Freshwater | Ctenopoma acutirostre |
| Leopard Catfish | Siluriformes | Freshwater | Pimelodus maculatus |
| Leopard Catshark | Carcharhiniformes | Marine: coastal waters in South Africa | Poroderma pantherinum |
| Leopard Cobrafish | Scorpaeniformes | Marine | Pterois miles |
| Leopard Cod | Gadiformes | Marine: North Pacific | Gadus macrocephalus |
| Leopard Congo Tetra | Characiformes | Freshwater | Phenacogrammus altus |
| Leopard Coral Grouper | Perciformes | Marine: coral reefs in Indo-Pacific | Plectropomus leopardus |
| Leopard Coris | Perciformes | Marine – Indo-Pacific | Coris gaimard |
| Leopard Corydoras | Siluriformes | Freshwater | Corydoras julii |
| Leopard Ctenopoma | Perciformes | Freshwater | Ctenopoma acutirostre |
| Leopard Danios | Cypriniformes | Freshwater | Danio rerio |
| Leopard Dartfish | Gobiiformes | Marine | Nemateleotris decora |
| Leopard Eel | Anguilliformes | Marine: rocky reefs in Indo-Pacific | Gymnothorax undulatus |
| Leopard Eel Catfish | Siluriformes | Marine: Indo-Pacific | Plotosus lineatus |
| Leopard Eel Goby | Gobiiformes | Marine: Indo-Pacific | Gymnothorax leopardus |
| Leopard Eelpout | Perciformes | Marine | Lycodes pacificus |
| Leopard Flathead | Scorpaeniformes | Marine: Indo-Pacific | Rogadius asper |
| Leopard Gar | Lepisosteiformes | Freshwater | Lepisosteus oculatus |
| Leopard Goby | Gobiiformes | Marine | Gobius leopardinus |
| Leopard Gourami | Anabantiformes | Freshwater: slow-moving streams in India | Ctenops nobilis |
| Leopard Grouper | Perciformes | Marine: Eastern Pacific | Mycteroperca rosacea |
| Leopard Grubfish | Perciformes | Marine | Parapercis allporti |
| Leopard Hind | Perciformes | Marine: Indo-Pacific | Cephalopholis leopardus |
| Leopard Killifish | Cyprinodontiformes | Freshwater | Nothobranchius guentheri |
| Leopard Leaf Fish | Perciformes | Freshwater | Monocirrhus polyacanthus |
| Leopard Lionfish | Scorpaeniformes | Marine: Indo-Pacific | Dendrochirus zebra |
| Leopard Loach | Cypriniformes | Freshwater | Botia kubotai |
| Leopard Moray | Anguilliformes | Marine: Indo-Pacific | Gymnothorax pardalis |
| Leopard Moray Eel | Anguilliformes | Marine: coral reefs in Indo-Pacific | Enchelycore pardalis |
| Leopard Paddlefish | Acipenseriformes | Freshwater | Polyodon spathula |
| Leopard Pike-Conger | Anguilliformes | Marine – Deepwater | Netastoma melanurum |
| Leopard Pleco | Siluriformes | Freshwater | Pterygoplichthys pardalis |
| Leopard Puffer | Tetraodontiformes | Marine | Takifugu pardalis |
| Leopard Razorfish | Syngnathiformes | Marine | Novaculichthys taeniourus |
| Leopard Sailfin | Perciformes | Marine | Pterotaurus reticularis |
| Leopard Sailfin Blenny | Perciformes | Marine | Ecsenius leopardus |
| Leopard Sandperch | Perciformes | Marine | Parapercis cylindrica |
| Leopard Shark | Carcharhiniformes | Marine: cool temperate coastal waters in Eastern Pacific | Triakis semifasciata |
| Leopard Sharkray | Rhinopristiformes | Marine | Rhina ancylostoma |
| Leopard Snakehead | Perciformes | Freshwater | Channa argus |
| Leopard Stingray | Myliobatiformes | Marine: Indo-Pacific | Himantura uarnak |
| Leopard Tang | Perciformes | Marine | Zebrasoma xanthurum |
| Leopard Toby | Tetraodontiformes | Marine: Indo-Pacific | Canthigaster leoparda |
| Leopard Torpedo | Torpediniformes | Marine | Torpedo panthera |
| Leopard Turbot | Pleuronectiformes | Marine | Rhombosolea tapirina |
| Leopard Whiptail | Perciformes | Marine | Pentapodus porosus |
| Leopard Wrass | Perciformes | Marine | Macropharyngodon meleagris |
| Leopard Wrasse | Perciformes | Marine: Indo-Pacific | Macropharyngodon meleagris |
| Lephroconidae | Aulopiformes | Marine (fossil family) | Lephroconidae |
| Lepidaplois | Perciformes | Marine | Lepidaplois |
| Lepiderichthys | Synbranchiformes | Freshwater | Lepiderichthys |
| Lepidion | Gadiformes | Marine | Lepidion |
| Lepidion eques | Gadiformes | Deep Marine | Lepidion eques |
| Lepidion schmidti | Gadiformes | Deep Marine | Lepidion schmidti |
| Lepidion talarae | Gadiformes | Deep Marine | Lepidion talarae |
| Lepidoblennius marmoratus | Perciformes | Marine | Lepidoblennius marmoratus |
| Lepidocheilichthys | Cypriniformes | Freshwater | Lepidocheilichthys |
| Lepidocybium flavobrunneum | Scombriformes | Marine | Lepidocybium flavobrunneum |
| Lepidoperca | Perciformes | Marine | Lepidoperca |
| Lepidophidium | Ophidiiformes | Deep Marine | Lepidophidium |
| Lepidophyllum | Scorpaeniformes | Marine | Lepidophyllum |
| Lepidopsetta bilineata | Pleuronectiformes | Marine | Lepidopsetta bilineata |
| Lepidopus caudatus | Scombriformes | Marine | Lepidopus caudatus |
| Lepidopus fitchi | Scombriformes | Deep Marine | Lepidopus fitchi |
| Lepidopus gladius | Scombriformes | Marine | Lepidopus gladius |
| Lepidorhombus boscii | Pleuronectiformes | Marine | Lepidorhombus boscii |
| Lepidorhombus whiffiagonis | Pleuronectiformes | Marine | Lepidorhombus whiffiagonis |
| Lepidosiren | Lepidosireniformes | Freshwater: swamps in South America | Lepidosiren paradoxa |
| Lepidosiren paradoxa | Lepidosireniformes | Freshwater | Lepidosiren paradoxa |
| Lepidosoma | Perciformes | Marine | Lepidosoma |
| Lepisma | Zygentoma | Freshwater | Lepisma |
| Lepisosteus | Lepisosteiformes | Freshwater | Lepisosteus |
| Lepisosteus oculatus | Lepisosteiformes | Freshwater | Lepisosteus oculatus |
| Lepisosteus osseus | Lepisosteiformes | Freshwater | Lepisosteus osseus |
| Lepisosteus platostomus | Lepisosteiformes | Freshwater | Lepisosteus platostomus |
| Lepisosteus platyrhincus | Lepisosteiformes | Freshwater | Lepisosteus platyrhincus |
| Lepisosteus spatula | Lepisosteiformes | Freshwater | Atractosteus spatula |
| Lepomis cyanellus | Perciformes | Freshwater | Lepomis cyanellus |
| Lepomis gibbosus | Perciformes | Freshwater | Lepomis gibbosus |
| Lepomis gulosus | Perciformes | Freshwater | Chaenobryttus gulosus |
| Lepomis humilis | Perciformes | Freshwater | Lepomis humilis |
| Lepomis macrochirus | Perciformes | Freshwater | Lepomis macrochirus |
| Lepomis microlophus | Perciformes | Freshwater | Lepomis microlophus |
| Lepomis punctatus | Perciformes | Freshwater | Lepomis punctatus |
| Leptacanthichthys | Lophiiformes | Deep Marine | Leptacanthichthys |
| Leptagonus | Scorpaeniformes | Marine | Leptagonus |
| Leptenchelys | Anguilliformes | Marine | Leptenchelys |
| Leptocephalus | Anguilliformes | Marine (larval stage) | Leptocephalus |
| Leptocheilichthys | Cypriniformes | Freshwater | Leptocheilichthys |
| Leptochela | Penaeidae | Marine – Global | Leptochela |
| Leptochilichthys | Argentiniformes | Marine – Deepwater | Leptochilichthys |
| Leptoclinus | Perciformes | Marine – Arctic | Leptoclinus |
| Leptocottus | Scorpaeniformes | Marine | Leptocottus |
| Leptocottus armatus | Perciformes | Marine | Leptocottus armatus |
| Leptoderes | Aulopiformes | Marine | Leptoderes |
| Leptoderma | Argentiniformes | Marine – Deepwater | Leptoderma |
| Leptoderma macrops | Argentiniformes | Marine | Leptoderma macrops |
| Leptoglanis | Siluriformes | Freshwater | Leptoglanis |
| Leptoichthys | Syngnathiformes | Marine | Leptoichthys |
| Leptojulis cyanopleura | Perciformes | Marine | Leptojulis cyanopleura |
| Leptolepis | Leptolepiformes | Fossil Marine | Leptolepis |
| Leptomithrax | Decapoda | Marine | Leptomithrax |
| Leptonema | Gadiformes | Deep Marine | Leptonema |
| Leptonotus | Syngnathiformes | Marine | Leptonotus |
| Leptopenus | Aulopiformes | Marine | Leptopenus |
| Leptophidium | Ophidiiformes | Marine | Leptophidium |
| Leptophidium profundorum | Ophidiiformes | Marine | Leptophidium profundorum |
| Leptopsis | Perciformes | Marine | Leptopsis |
| Leptoscarus | Perciformes | Marine | Leptoscarus |
| Leptoscarus vaigiensis | Perciformes | Marine | Leptoscarus vaigiensis |
| Leptoscopidae | Perciformes | Marine | Leptoscopidae |
| Leptoscopus | Perciformes | Marine – New Zealand | Leptoscopus |
| Leptosiphon | Perciformes | Marine | Leptosiphon |
| Leptostomias | Stomiiformes | Marine | Leptostomias |
| Leptoteuthis | Salmoniformes | Marine | Leptoteuthis |
| Lepturus | Anguilliformes | Marine | Lepturus |
| Lernaea | Copepoda | Parasitic | Lernaea |
| Lernanthropus | Copepoda | Parasitic | Lernanthropus |
| Lesotho barb | Cypriniformes | Freshwater – Lesotho | Barbus gribbei |
| Lesser African Threadfin | Perciformes | Marine – Eastern Atlantic | Pentanemus quinquarius |
| Lesser Amberjack | Carangiformes | Marine: Atlantic Ocean | Seriola fasciata |
| Lesser Australasian Sardine | Clupeiformes | Marine | Sardinops sagax |
| Lesser Barracuda | Scombriformes | Marine: Eastern Pacific | Sphyraena idiastes |
| Lesser Basslet | Perciformes | Marine | Gramma linki |
| Lesser Bottlenose Skate | Rajiformes | Marine | Rajella kukujevi |
| Lesser Demoiselle | Perciformes | Marine – Western Atlantic | Chromis cyanea |
| Lesser Devil Ray | Myliobatiformes | Marine | Mobula hypostoma |
| Lesser Dragonfish | Perciformes | Marine | Trachinus draco |
| Lesser Eel Pout | Perciformes | Marine – North Atlantic | Lycenchelys muraena |
| Lesser Electric Ray | Torpediniformes | Marine: Western Atlantic | Narcine brasiliensis |
| Lesser European Barracuda | Perciformes | Marine | Sphyraena viridensis |
| Lesser Fangjaw | Stomiiformes | Marine – Deepwater | Malacosteus niger |
| Lesser Flathead | Perciformes | Marine – Australia | Platycephalus marmoratus |
| Lesser Forkbeard | Gadiformes | Marine | Phycis blennoides |
| Lesser Fourbearded Rockling | Gadiformes | Marine – North Atlantic | Ciliata mustela |
| Lesser Frogfish | Lophiiformes | Marine – Western Atlantic | Antennarius pauciradiatus |
| Lesser Grinner | Aulopiformes | Marine – Indo-Pacific | Saurida normani |
| Lesser Guitarfish | Rhinopristiformes | Marine | Rhinobatos annulatus |
| Lesser Gulper Shark | Squaliformes | Marine – Deepwater | Centrophorus uyato |
| Lesser Haddock | Gadiformes | Marine – North Atlantic | Melanogrammus aeglefinus |
| Lesser Knoppfish | Perciformes | Marine | Lipophrys pholis |
| Lesser Kogia | Cetacea | Marine – Pelagic | Kogia sima |
| Lesser Lizardfish | Aulopiformes | Marine – Western Atlantic | Synodus poeyi |
| Lesser Maori Cod | Perciformes | Marine | Gonorynchus forsteri |
| Lesser Moray | Anguilliformes | Marine | Gymnothorax minor |
| Lesser Sandeel | Ammodytiformes | Marine: North Atlantic | Ammodytes tobianus |
| Lesser Seahorse | Syngnathiformes | Marine | Hippocampus zosterae |
| Lesser Searobin | Scorpaeniformes | Marine: Western Atlantic | Prionotus ophryas |
| Lesser Sharpnose Puffer | Tetraodontiformes | Marine – Indo-Pacific | Canthigaster pygmaea |
| Lesser Silver Biddy | Perciformes | Marine | Gerres abbreviatus |
| Lesser Snake Eel | Anguilliformes | Marine – Western Atlantic | Ophichthus punctifer |
| Lesser Spinecheek | Perciformes | Marine – Indo-Pacific | Scolopsis bilineata |
| Lesser Spiny Dogfish | Squaliformes | Marine – Deepwater | Squalus mitsukurii |
| Lesser Spotted Dogfish | Carcharhiniformes | Marine: North Atlantic | Scyliorhinus canicula |
| Lesser Stargazer | Perciformes | Marine – Indo-Pacific | Uranoscopus albesca |
| Lesser Weever | Perciformes | Marine | Trachinus vipera |
| Lesson's Goby | Perciformes | Marine – Indo-Pacific | Hetereleotris guttata |
| Lessor Electric Ray | Torpediniformes | Marine | Torpedo torpedo |
| Lestidiops | Aulopiformes | Deep Marine | Lestidiops |
| Lestidium | Aulopiformes | Deep Marine | Lestidium |
| Lestodon | Characiformes | Freshwater: rivers in South America | Lestodon spp. |
| Lestonus | Perciformes | Marine | Lestonus |
| Lestrolepis | Aulopiformes | Deep Marine | Lestrolepis |
| Lethrinid | Perciformes | Marine: Indo-Pacific | Lethrinidae |
| Lethrinus | Perciformes | Marine | Lethrinus nebulosus |
| Lethrinus nebulosus | Lethriniformes | Marine | Lethrinus nebulosus |
| Lethrinus rubriolineatus | Perciformes | Marine – Indo-Pacific | Lethrinus rubriolineatus |
| Lethrinus rubrioperculatus | Lethriniformes | Marine | Lethrinus rubrioperculatus |
| Leuciscus | Cypriniformes | Freshwater | Leuciscus |
| Leuciscus aspius | Cypriniformes | Freshwater – Europe/Asia | Leuciscus aspius |
| Leuciscus cephalus | Cypriniformes | Freshwater | Squalius cephalus |
| Leuciscus idus | Cypriniformes | Freshwater – Europe/Asia | Leuciscus idus |
| Leuciscus leuciscus | Cypriniformes | Freshwater – Europe/Asia | Leuciscus leuciscus |
| Leucopogon | Perciformes | Marine – Indo-Pacific | Leucopogon |
| Leucoraja erinacea | Rajiformes | Marine | Leucoraja erinacea |
| Leucos basak | Cypriniformes | Freshwater | Leucos basak |
| Leuresthes tenuis | Atheriniformes | Marine | Leuresthes tenuis |
| Leuroglossus | Argentiniformes | Marine | Leuroglossus |
| Leutze's Flounder | Pleuronectiformes | Marine | Poecilopsetta plinthus |
| Levanella | Syngnathiformes | Marine | Levanella |
| Levantera | Perciformes | Marine – Tropical/Subtropical | Rachycentron canadum |
| Leveque's Damselfish | Perciformes | Marine | Chromis levequei |
| Lever Fish | Perciformes | Marine – Tropical/Subtropical | Rachycentron canadum |
| Lever's Tripodfish | Tetraodontiformes | Marine | Tripodichthys angustifrons |
| Leviraja | Rajiformes | Marine | Leviraja |
| Levisaurus | Aulopiformes | Marine | Levisaurus |
| Leviticus | Perciformes | Marine | Leviticus |
| Lewin's Ray | Myliobatiformes | Marine | Myliobatis levinensis |
| Lewis's Goby | Perciformes | Marine – Mediterranean | Gobius lewisianus |
| Lewisia | Perciformes | Marine | Lewisia |
| Lianema | Anguilliformes | Marine | Lianema |
| Liaoconger | Anguilliformes | Marine – Fossil | Liaoconger |
| Liberichthys | Perciformes | Marine | Liberichthys |
| Libyan Barb | Cypriniformes | Freshwater – North Africa | Barbus callensis |
| Licence Plate Fish | Tetraodontiformes | Marine | Arothron stellatus |
| Lichades | Perciformes | Marine | Lichades |
| Lichanura | Perciformes | Marine – Pacific | Lichanura |
| Lichat | Perciformes | Marine | Lichat aurata |
| Liche | Carangiformes | Marine | Lichia amia |
| Lichea | Carangiformes | Marine | Lichea |
| Lichnow's Pipefish | Syngnathiformes | Marine | Hypselognathus horridus |
| Lichomolgus | Copepoda | Parasitic | Lichomolgus |
| Licnochromis | Perciformes | Freshwater | Licnochromis |
| Lida | Perciformes | Marine – Indian Ocean | Lida |
| Light Blotched Anglerfish | Lophiiformes | Marine | Lophius litulon |
| Light Eel | Anguilliformes | Marine | Gymnothorax fimbriatus |
| Lightbulb Fish | Stomiiformes | Marine – Deepwater | Cyclothone acclinidens |
| Lightfish | Stomiiformes | Marine: deep ocean | Gonostomatidae |
| Lightfish Eel | Anguilliformes | Marine | Gordiichthys irretitus |
| Lightfoot's Surgeonfish | Perciformes | Marine – Pacific | Acanthurus leucopareius |
| Lightning Wrasse | Perciformes | Marine | Macropharyngodon meleagris |
| Ligi | Perciformes | Marine | Ligi |
| Ligniperca | Perciformes | Marine | Ligniperca |
| Lignocola | Copepoda | Parasitic | Lignocola |
| Lij | Perciformes | Marine | Lij |
| Likely Moray | Anguilliformes | Marine | Gymnothorax funebris |
| Likorella | Perciformes | Marine | Likorella |
| Lilae's Anglerfish | Lophiiformes | Marine | Lilaea |
| Lile | Clupeiformes | Marine | Lile |
| Lillia | Perciformes | Marine | Lillia |
| Lilliput Goby | Perciformes | Marine – Western Pacific | Lubricogobius nanus |
| Lima scabra | Bivalvia | Marine – Mollusc | Lima scabra |
| Limanda | Pleuronectiformes | Marine | Limanda |
| Limanda aspera | Pleuronectiformes | Marine – North Pacific | Limanda aspera |
| Limanda ferruginea | Pleuronectiformes | Marine – North Atlantic | Limanda ferruginea |
| Limanda limanda | Pleuronectiformes | Marine – North Atlantic | Limanda limanda |
| Limanda proboscidea | Pleuronectiformes | Marine – Arctic | Limanda proboscidea |
| Limanda sakhalinensis | Pleuronectiformes | Marine | Limanda sakhalinensis |
| Limanthes | Perciformes | Marine – Pacific | Limanthes |
| Limbatochromis | Perciformes | Freshwater | Limbatochromis |
| Limia | Cyprinodontiformes | Freshwater – Caribbean | Limia |
| Limia nigrofasciata | Cyprinodontiformes | Freshwater | Limia nigrofasciata |
| Limia perugiae | Cyprinodontiformes | Freshwater | Limia perugiae |
| Liminia | Perciformes | Marine | Liminia |
| Limnichthys | Perciformes | Marine | Limnichthys |
| Limnodromus | Scorpaeniformes | Marine | Limnodromus |
| Limnogonus | Lophiiformes | Marine | Limnogonus |
| Limnonectes | Siluriformes | Freshwater | Limnonectes |
| Limnoseda | Perciformes | Marine | Limnoseda |
| Limnothrissa miodon | Clupeiformes | Freshwater – Lake Tanganyika | Limnothrissa miodon |
| Limnotilapia | Perciformes | Freshwater | Limnotilapia |
| Linckia laevigata | Valvatida | Marine – Starfish | Linckia laevigata |
| Lineatus Flasher Wrasse | Perciformes | Marine – Western Pacific | Paracheilinus lineopunctatus |
| Lined Bristletooth | Perciformes | Marine | Ctenochaetus striatus |
| Lined Bristletooth Tang | Perciformes | Marine | Ctenochaetus striatus |
| Lined Cardinalfish | Perciformes | Marine | Apogon lineatus |
| Lined Clownfish | Perciformes | Marine | Amphiprion akallopisos |
| Lined Combfish | Perciformes | Marine | Coris gaimard |
| Lined Fang Blenny | Blenniiformes | Marine | Meiacanthus lineatus |
| Lined Leatherjacket | Tetraodontiformes | Marine | Meuschenia scaber |
| Lined Surgeon | Perciformes | Marine | Acanthurus lineatus |
| Lined Surgeonfish | Perciformes | Marine: coral reefs in Indo-Pacific | Acanthurus lineatus |
| Linefish | Perciformes | Marine – South Africa | Chirodactylus brachyrhynchus |
| Ling | Gadiformes | Marine: deep waters in North Atlantic | Molva molva |
| Ling Cod | Gadiformes | Marine | Molva molva |
| Lingcod | Scorpaeniformes | Marine: North Pacific | Ophiodon elongatus |
| Lingui | Cypriniformes | Freshwater | Labeo pangasius |
| Lingulifer | Pleuronectiformes | Marine | Lingulifer opticus |
| Linked Batfish | Lophiiformes | Marine – Indo-Pacific | Halieutaea reticulada |
| Linn's Blenny | Perciformes | Marine – Western Pacific | Ecsenius lineatus |
| Linophryne | Lophiiformes | Marine | Linophryne |
| Linophryne arborifera | Lophiiformes | Marine | Linophryne arborifera |
| Linophryne argyresca | Lophiiformes | Deep Marine | Linophryne argyresca |
| Linophryne bicornis | Lophiiformes | Marine | Linophryne bicornis |
| Linophryne lucifer | Lophiiformes | Marine – Deepwater | Linophryne lucifer |
| Liobagrus | Siluriformes | Freshwater | Liobagrus |
| Liobraichthys | Perciformes | Marine | Liobraichthys |
| Liobutis | Gobiiformes | Freshwater | Liobutis |
| Liocarenus | Perciformes | Marine | Liocarenus |
| Liocranchia reinhardti | Teuthida | Marine – Squid | Liocranchia reinhardti |
| Liogaleus | Carcharhiniformes | Marine – Deepwater shark | Liogaleus |
| Lioheterophractus | Perciformes | Marine | Lioheterophractus |
| Lionfish | Scorpaeniformes | Marine: coral reefs in Indo-Pacific | Pterois spp. |
| Lionhead Cichlid | Cichliformes | Freshwater – Congo Basin | Steatocranus casuarius |
| Lionhead Fish | Scorpaeniformes | Marine – Indo-Pacific | Pterois radiata |
| Liopropoma | Perciformes | Marine | Liopropoma carmabi |
| Liopropoma carmabi | Perciformes | Marine – Western Atlantic | Liopropoma carmabi |
| Liopropoma rubre | Perciformes | Marine | Liopropoma rubre |
| Liopsetta | Pleuronectiformes | Marine | Liopsetta |
| Liosaccus | Tetraodontiformes | Marine | Liosaccus |
| Lioy's Damselfish | Perciformes | Marine – Indo-Pacific | Pomacentrus amboinensis |
| Liparidae | Scorpaeniformes | Marine | Liparis liparis |
| Liparididae | Perciformes | Marine | Liparididae |
| Liparis | Scorpaeniformes | Marine | Liparis |
| Liparis atlanticus | Scorpaeniformes | Marine | Liparis atlanticus |
| Liparis fabricii | Scorpaeniformes | Marine | Liparis fabricii |
| Liparis koefoedi | Scorpaeniformes | Marine | Liparis koefoedi |
| Liparis liparis | Scorpaeniformes | Marine | Liparis liparis |
| Liparis major | Scorpaeniformes | Marine | Liparis major |
| Liparis marmoratus | Scorpaeniformes | Marine | Liparis marmoratus |
| Liparis mucosus | Scorpaeniformes | Marine | Liparis mucosus |
| Liparis pulchellus | Scorpaeniformes | Marine | Liparis pulchellus |
| Lipedfish | Scorpaeniformes | Marine – Northern Hemisphere | Liparis |
| Lipfish | Batrachoidiformes | Marine | Antennarius striatus |
| Lipogenys | Notacanthiformes | Marine – Deepwater | Lipogenys |
| Lipophrys pholis | Blenniiformes | Marine – North Atlantic | Lipophrys pholis |
| Lippia | Lampriformes | Marine | Lippia |
| Lira fish | Perciformes | Marine | Bregmaceros macclellandi |
| Liriope | Perciformes | Marine | Liriope |
| Lisbon Sole | Pleuronectiformes | Marine | Synaptura lusitanica |
| Lissochromis | Perciformes | Freshwater | Lissochromis |
| Lissoclinum | Ascidiacea | Marine – Tunicate | Lissoclinum |
| Lissodelphis | Cetartiodactyla | Marine | Lissodelphis borealis |
| Lissomus | Perciformes | Marine | Lissomus |
| Little Amberjack | Carangiformes | Marine | Seriola rivoliana |
| Little Blackfin Shark | Carcharhiniformes | Marine – Tropical | Carcharhinus limbatus |
| Little Brown Shark | Carcharhiniformes | Marine | Carcharhinus porosus |
| Little Cichlid | Cichliformes | Freshwater | Orthochromis machadoi |
| Little Conger | Anguilliformes | Marine | Conger conger |
| Little Cuta | Scombriformes | Marine | Scomberomorus guttatus |
| Little Damselfish | Perciformes | Marine | Pomacentrus javanicus |
| Little Dragonfish | Syngnathiformes | Marine | Eurypegasus draconis |
| Little Flounder | Pleuronectiformes | Marine | Achirus lineatus |
| Little Goblin Shark | Lamniformes | Marine | Mitsukurina owstoni |
| Little Greenland Shark | Squaliformes | Marine | Etmopterus princeps |
| Little Grey Shark | Carcharhiniformes | Marine | Carcharhinus sorrah |
| Little Guitarfish | Rhinopristiformes | Marine | Aptychotrema rostrata |
| Little Gull | Laridae | Bird | Hydrocoloeus minutus |
| Little Gurnard | Scorpaeniformes | Marine | Eutrigla gurnardus |
| Little Icefish | Notothenioidei | Southern Ocean | Channichthys rhinoceratus |
| Little Jack | Carangiformes | Marine | Carangoides malabaricus |
| Little John Dory | Zeiformes | Marine | Zenopsis conchifer |
| Little Lizardfish | Aulopiformes | Marine | Synodus poeyi |
| Little Mackeral | Scombriformes | Marine | Scomber scombrus |
| Little Mackerel | Scombriformes | Marine | Rastrelliger kanagurta |
| Little Mojarra | Perciformes | Marine | Eucinostomus gula |
| Little Mouth Bass | Perciformes | Freshwater | Micropterus dolomieu |
| Little Pike | Esociformes | Freshwater | Esox lucius |
| Little Redfish | Perciformes | Marine – North Atlantic | Sebastes viviparus |
| Little Rockfish | Scorpaeniformes | Marine | Sebastes minor |
| Little Roughy | Beryciformes | Marine – Deepwater | Hoplostethus intermedius |
| Little Sandeel | Osmeriformes | Marine | Ammodytes tobianus |
| Little Sculpin | Scorpaeniformes | Marine | Myoxocephalus scorpius |
| Little Searobin | Scorpaeniformes | Marine | Prionotus ophryas |
| Little Shark | Carcharhiniformes | Marine | Carcharhinus porosus |
| Little Skate | Rajiformes | Marine: Western Atlantic | Leucoraja erinacea |
| Little Smoothnose | Tetraodontiformes | Marine | Symphurus minor |
| Little Sole | Pleuronectiformes | Marine | Dicologlossa cuneata |
| Little Spinefoot | Perciformes | Marine | Siganus spinus |
| Little Squid | Teuthida | Marine (another malacological entry) | Loligo vulgaris |
| Little Starfish | Asteroidea | Marine – Starfish | Asterina gibbosa |
| Little Starry Flounder | Pleuronectiformes | Marine | Platichthys stellatus |
| Little Stingray | Myliobatiformes | Marine | Dasyatis sabina |
| Little Sturgeon | Acipenseriformes | Freshwater/Brackish | Acipenser ruthenus |
| Little Tunny | Scombriformes | Marine | Euthynnus alletteratus |
| Little Warbonnet | Perciformes | Marine – North Pacific | Chirolophis snyderi |
| Little tunny | Scombriformes | Marine | Euthynnus alletteratus |
| Littlehead Porgy | Spariformes | Marine: Western Atlantic | Calamus proridens |
| Live Sharksucker | Perciformes | Marine: worldwide | Echeneis naucrates |
| Livebearer | Cyprinodontiformes | Freshwater: tropical and subtropical regions | Poeciliidae |
| Livebearing Toothcarp | Cyprinodontiformes | Freshwater/Brackish | Poeciliidae |
| Living Fossil Fish | Coelacanthiformes | Marine | Latimeria chalumnae |
| Lizard Blenny | Blenniiformes | Marine | Omobranchus ferox |
| Lizard Goby | Gobiiformes | Marine | Oxyurichthys microlepis |
| Lizardfish | Aulopiformes | Marine: tropical and subtropical oceans | Synodontidae |
| Loa loa | Spirurida | Parasitic worm | Loa loa |
| Loach | Cypriniformes | Freshwater: Eurasia and North Africa | Cobitidae |
| Loach Catfish | Siluriformes | Freshwater | Amblydoras hancockii |
| Loach goby | Gobiiformes | Freshwater | Rhyacichthys |
| Lobefin | Sarcopterygii | Fish group | Sarcopterygii |
| Lobelia | Lobeliaceae | Plant | Lobelia |
| Lobianchia gemellarii | Myctophiformes | Marine – Deepwater | Lobianchia gemellarii |
| Lobotes surinamensis | Perciformes | Marine/Brackish – Tropical/Subtropical worldwide | Lobotes surinamensis |
| Lobotidae | Perciformes | Marine | Lobotidae |
| Local Goby | Gobiiformes | Marine | Gobius |
| Lockingtonia | Perciformes | Marine – Pacific | Lockingtonia |
| Locuss | Perciformes | Marine | Locuss |
| Lois | Perciformes | Marine | Lois |
| Lola | Perciformes | Marine | Lola |
| Long Arm Octopus | Octopoda | Marine – Octopus | Abdopus aculeatus |
| Long Island Skate | Rajiformes | Marine – Western Atlantic | Leucoraja erinacea |
| Long Latz | Perciformes | Marine: Indo-Pacific | Acanthopagrus latus |
| Long-Spine Porcupinefish | Tetraodontiformes | Marine – Tropical worldwide | Diodon holocanthus |
| Long-Tailed Sea-Cat | Gadiformes | Marine – North Atlantic | Macrourus berglax |
| Long-Tailed Stingray | Myliobatiformes | Marine – Southwestern Atlantic | Dasyatis hypostigma |
| Long-Tailed Weasel | Carnivora | Mammal | Mustela frenata |
| Long-billed Halfbeak | Beloniformes | Marine: Indo-Pacific | Hemiramphus far |
| Long-branch Mullet | Mugiliformes | Marine and Brackish: Western Atlantic | Mugil liza |
| Long-fin Batfish | Perciformes | Marine | Platax teira |
| Long-fin Pike | Osmeriformes | Deep Marine | Stylophorus chordatus |
| Long-nosed Butterflyfish | Perciformes | Marine | Forcipiger flavissimus |
| Long-snouted Seahorse | Syngnathiformes | Marine | Hippocampus reidi |
| Longfin African Mojarra | Perciformes | Marine: Eastern Atlantic | Gerres nigri |
| Longfin Bannerfish | Perciformes | Marine | Heniochus acuminatus |
| Longfin Batfish | Perciformes | Marine: Indo-Pacific | Platax teira |
| Longfin Beryx | Beryciformes | Marine: worldwide | Beryx decadactylus |
| Longfin Cardinalfish | Perciformes | Marine – Western Atlantic | Apogon pseudomaculatus |
| Longfin Chromis | Perciformes | Marine: Western Pacific | Chromis trialpha |
| Longfin Croaker | Perciformes | Marine – Eastern Pacific | Micropogonias megalops |
| Longfin Darter | Perciformes | Freshwater | Percina caprodes |
| Longfin Drum | Perciformes | Marine: Western Atlantic | Micropogonias megalops |
| Longfin Eagleray | Myliobatiformes | Marine: Indo-Pacific | Aetobatus flagellum |
| Longfin Eel | Anguilliformes | Freshwater/Marine – New Zealand | Anguilla dieffenbachii |
| Longfin Emperor | Perciformes | Marine: Indo-Pacific | Lethrinus erythracanthus |
| Longfin Gourami | Perciformes | Freshwater | Trichogaster trichopterus |
| Longfin Grouper | Perciformes | Marine – Western Pacific | Epinephelus quoyanus |
| Longfin Gulper Shark | Squaliformes | Marine: deep waters worldwide | Centrophorus longipinnis |
| Longfin Hake | Gadiformes | Marine – Western Atlantic | Phycis chesteri |
| Longfin Herring | Clupeiformes | Marine: Indo-Pacific | Ilisha elongata |
| Longfin Inshore Squid | Teuthida | Marine – Squid | Doryteuthis pealeii |
| Longfin Irish Lord | Scorpaeniformes | Marine – North Pacific | Hemilepidotus spinosus |
| Longfin Lizardfish | Aulopiformes | Marine – Western Atlantic | Synodus longiceps |
| Longfin Mako Shark | Lamniformes | Marine: tropical and subtropical oceans | Isurus paucus |
| Longfin Mojarra | Perciformes | Marine – Western Atlantic | Eucinostomus longimanus |
| Longfin Mola | Tetraodontiformes | Marine – Pelagic | Masturus lanceolatus |
| Longfin Pilotfish | Perciformes | Marine – Pelagic | Naucrates ductor |
| Longfin Pomfret | Perciformes | Marine – Atlantic | Brama brama |
| Longfin Remora | Perciformes | Marine – Pelagic | Echeneis naucrates |
| Longfin Sculpin | Scorpaeniformes | Marine | Jordania zonope |
| Longfin Snapper | Perciformes | Marine: coral reefs in Indo-Pacific | Macolor macularis |
| Longfin Snook | Perciformes | Marine and Freshwater: Western Atlantic | Centropomus mexicanus |
| Longfin Squid | Teuthida | Marine – Squid | Loligo pealeii |
| Longfin Thornfish | Beryciformes | Marine – Eastern Atlantic | Hoplostethus cadenati |
| Longfin Trevally | Carangiformes | Marine: Indo-Pacific | Carangoides armatus |
| Longfin Turbot | Pleuronectiformes | Marine – North Pacific | Pleuronectes quadrituberculatus |
| Longfin Wetmorella | Perciformes | Marine – Indo-Pacific | Wetmorella nigropinnata |
| Longfinned Pike | Esociformes | Freshwater – Northern Hemisphere | Esox lucius |
| Longheaded Eagle Ray | Myliobatiformes | Marine – Indo-Pacific | Aetobatus flagellum |
| Longhorn Cowfish | Tetraodontiformes | Marine: coral reefs in Indo-Pacific | Lactoria cornuta |
| Longhorn Sculpin | Scorpaeniformes | Marine – North Atlantic | Myoxocephalus octodecemspinosus |
| Longjaw Mackerel | Perciformes | Marine – Indo-Pacific | Rastrelliger kanagurta |
| Longjaw Mudskipper | Perciformes | Brackish – Indo-Pacific | Periophthalmodon schlosseri |
| Longnose Butterflyfish | Perciformes | Marine: Indo-Pacific | Forcipiger longirostris |
| Longnose Cusk-eel | Ophidiiformes | Marine – Indo-Pacific | Neobythites longipes |
| Longnose Emperor | Perciformes | Marine – Indo-Pacific | Lethrinus olivaceus |
| Longnose Gar | Lepisosteiformes | Freshwater | Lepisosteus osseus |
| Longnose Lancetfish | Aulopiformes | Marine: deep open ocean | Alepisaurus ferox |
| Longnose Sawshark | Pristiophoriformes | Marine | Pristiophorus cirratus |
| Longnose Skate | Rajiformes | Marine – Eastern Pacific | Raja rhina |
| Longnose Spurdog | Squaliformes | Marine – Indo-Pacific | Squalus megalops |
| Longnose Stargazer | Perciformes | Marine – Indo-Pacific | Uranoscopus cognatus |
| Longnose Surgeonfish | Perciformes | Marine – Indo-Pacific | Naso brevirostris |
| Longnose Unicornfish | Perciformes | Marine – Indo-Pacific | Naso annulatus |
| Longnose Wrasse | Perciformes | Marine – Indo-Pacific | Gomphosus varius |
| Longpectoral Anglerfish | Lophiiformes | Marine – Western Atlantic | Lophius americanus |
| Longsnout Pipefish | Syngnathiformes | Marine: seagrass beds in North Atlantic | Syngnathus typhle |
| Longsnout Seahorse | Syngnathiformes | Marine: Western Atlantic | Hippocampus reidi |
| Longspine Squirrelfish | Beryciformes | Marine | Holocentrus rufus |
| Longspine Thornyhead | Scorpaeniformes | Marine | Sebastolobus altivelis |
| Longspine Triggerfish | Tetraodontiformes | Marine – Tropical/Subtropical | Canthidermis maculata |
| Longtail Sawshark | Pristiophoriformes | Marine – Western Indian Ocean | Pliotrema warreni |
| Longtail Tuna | Perciformes | Marine – Indo-Pacific | Thunnus tonggol |
| Loofah Moray | Anguilliformes | Marine: Eastern Pacific | Gymnothorax loofah |
| Lookdown | Carangiformes | Marine: coastal waters in Atlantic | Selene vomer |
| Lookdown Bass | Perciformes | Marine: Western Atlantic | Liopropoma aberrans |
| Loosejaw | Stomiiformes | Marine: deep ocean | Malacostea nigra |
| Loosejaws | Stomiiformes | Marine – Deepwater | Malacosteidae |
| Lophichthys | Lophiiformes | Marine – Indo-Pacific | Lophichthys |
| Lophiobagrus cyclophorus | Siluriformes | Freshwater – Lake Tanganyika | Lophiobagrus cyclophorus |
| Lophiocharon | Lophiiformes | Marine – Western Pacific | Lophiocharon |
| Lophiodes | Lophiiformes | Marine – Deepwater | Lophiodes |
| Lophiodes reticulatus | Lophiiformes | Deep Marine | Lophiodes reticulatus |
| Lophiomus | Lophiiformes | Marine – Indo-Pacific | Lophiomus |
| Lophius | Lophiiformes | Marine – Atlantic | Lophius |
| Lophius americanus | Lophiiformes | Marine – Western Atlantic | Lophius americanus |
| Lophius budegassa | Lophiiformes | Marine | Lophius budegassa |
| Lophius gastrophysus | Lophiiformes | Marine | Lophius gastrophysus |
| Lophius piscatorius | Lophiiformes | Marine – Eastern Atlantic | Lophius piscatorius |
| Lophius upsicephalus | Lophiiformes | Marine | Lophius upsicephalus |
| Lophocetus | Cetacea | Marine – Fossil dolphin | Lophocetus |
| Lophocottus | Scorpaeniformes | Marine | Lophocottus |
| Lophodiodon | Tetraodontiformes | Marine | Lophodiodon |
| Lophogobius | Perciformes | Marine – Western Pacific | Lophogobius |
| Lopholatilus | Perciformes | Marine – Western Atlantic | Lopholatilus |
| Lopholatilus chamaeleonticeps | Perciformes | Marine | Lopholatilus chamaeleonticeps |
| Lophophidium | Ophidiiformes | Deep Marine | Lophophidium |
| Lophotoidea | Lampriformes | Marine | Lophotoidea |
| Lophozia | Tetraodontiformes | Marine | Lophozius |
| Lophozius | Tetraodontiformes | Marine | Lophozius |
| Loquacious Blenny | Blenniiformes | Marine: coral reefs in Indo-Pacific | Ecsenius yaeyamaensis |
| Lord Howe Island Angelfish | Perciformes | Marine: Pacific Ocean | Genicanthus semicinctus |
| Loricaria | Siluriformes | Freshwater – South America | Loricaria |
| Loricariichthys | Siluriformes | Freshwater – South America | Loricariichthys |
| Loricariid | Siluriformes | Freshwater: streams in South and Central America | Loricariidae |
| Lose | Lampriformes | Marine | Lose |
| Lossen Snapper | Perciformes | Marine | Lutjanus fulvus |
| Lotella | Gadiformes | Marine | Lotella |
| Lottia | Patellogastropoda | Marine – Limpet | Lottia |
| Louis | Perciformes | Marine | Louis |
| Lousefish | Ophidiiformes | Marine | Dicrolene intragigantea |
| Lousiana Drum | Perciformes | Marine: Western Atlantic | Sciaenops ocellatus |
| Louti | Perciformes | Marine: coral reefs in Indo-Pacific | Epinephelus coioides |
| Low-fin Cusk-eel | Ophidiiformes | Deep Marine | Brotula |
| Low-finned Mojarra | Perciformes | Marine: coastal waters in Western Atlantic | Eugerres plumieri |
| Lowfin Grubfish | Perciformes | Marine: Indo-Pacific | Parapercis hexacantha |
| Loxodon macrorhinus | Carcharhiniformes | Marine | Loxodon macrorhinus |
| Loxopsetta | Pleuronectiformes | Marine | Loxopsetta |
| Lub-o | Perciformes | Marine | Carangoides |
| Lubina | Perciformes | Marine | Dicentrarchus labrax |
| Lubricous Snake Eel | Anguilliformes | Marine | Apterichtus flavicaudus |
| Lucifuga | Ophidiiformes | Freshwater (Cave fish) | Lucifuga |
| Lucigadus | Gadiformes | Marine – Deepwater | Lucigadus |
| Lucioperca | Perciformes | Freshwater | Lucioperca |
| Luciosoma | Cypriniformes | Freshwater | Luciosoma |
| Lucky Lizardfish | Aulopiformes | Marine – Eastern Pacific | Synodus lacertinus |
| Luderick | Perciformes | Marine: coastal waters in Australia | Girella tricuspidata |
| Luggereel | Gadiformes | Marine | Theragra chalcogramma |
| Luminous Hake | Gadiformes | Marine: Western Atlantic | Steindachneria argentea |
| Lumpenella | Perciformes | Marine | Lumpenella |
| Lumpenus | Scorpaeniformes | Marine | Lumpenus |
| Lumpfish | Scorpaeniformes | Marine | Cyclopterus lumpus |
| Lunar Fusilier | Perciformes | Marine: Indo-Pacific | Pterocaesio lunaris |
| Lunar Wrasse | Perciformes | Marine: Indo-Pacific | Thalassoma lunare |
| Lunar-tailed Halfbeak | Beloniformes | Marine | Hyporhamphus quoyi |
| Lunartail Grouper | Perciformes | Marine: coral reefs in Indo-Pacific | Variola louti |
| Lundergan's Dragonet | Perciformes | Marine: Western Pacific | Callionymus lundergani |
| Lusitanichthys | Perciformes | Marine | Lusitanichthys |
| Luther's Cichlid | Perciformes | Freshwater | Pundamilia nyererei |
| Lutianus | Lutjaniformes | Marine | Lutianus |
| Lutjanus | Perciformes | Marine | Lutjanus |
| Lutjanus analis | Perciformes | Marine | Lutjanus analis |
| Lutjanus apodus | Perciformes | Marine | Lutjanus apodus |
| Lutjanus bohar | Perciformes | Marine | Lutjanus bohar |
| Lutjanus campechanus | Perciformes | Marine | Lutjanus campechanus |
| Lutjanus fulgens | Perciformes | Marine | Lutjanus fulgens |
| Lutjanus fulvus | Perciformes | Marine | Lutjanus fulvus |
| Lutjanus griseus | Perciformes | Marine | Lutjanus griseus |
| Lutjanus kasmira | Perciformes | Marine | Lutjanus kasmira |
| Lutjanus novemfasciatus | Perciformes | Marine | Lutjanus novemfasciatus |
| Lutjanus peru | Perciformes | Marine | Lutjanus peru |
| Lutjanus purpureus | Perciformes | Marine | Lutjanus purpureus |
| Lutjanus rivulatus | Perciformes | Marine | Lutjanus rivulatus |
| Lutjanus sebae | Perciformes | Marine | Lutjanus sebae |
| Lutjanus synagris | Perciformes | Marine | Lutjanus synagris |
| Luvar | Perciformes | Pelagic marine | Luvarus imperialis |
| Luvarus imperialis | Perciformes | Marine – Pelagic worldwide | Luvarus imperialis |
| Luvula | Perciformes | Marine | Luvula |
| Luzon Goby | Gobiiformes | Freshwater | Awaous luzonensis |
| Luzon Tuskfish | Perciformes | Marine: Western Pacific | Choerodon oligacanthus |
| Luzonichthys | Perciformes | Marine | Luzonichthys |
| Lycenchelys | Perciformes | Marine – Deepwater | Lycenchelys |
| Lycenchelys muraena | Perciformes | Marine – North Atlantic | Lycenchelys muraena |
| Lycenchelys parini | Perciformes | Deep Marine | Lycenchelys parini |
| Lycengraulis | Clupeiformes | Brackish/Marine – Americas | Lycengraulis |
| Lycodapus | Perciformes | Deep marine | Lycodapus mandibularis |
| Lycodes | Perciformes | Deep marine | Lycodes esmarcki |
| Lycodes atlanticus | Perciformes | Marine – North Atlantic | Lycodes atlanticus |
| Lycodes frigidus | Perciformes | Marine – Arctic | Lycodes frigidus |
| Lycodes pallidus | Perciformes | Deep Marine | Lycodes pallidus |
| Lycodes polaris | Perciformes | Deep Marine | Lycodes polaris |
| Lycodes reticulatus | Perciformes | Marine – North Atlantic | Lycodes reticulatus |
| Lycodes vahli | Osteichthyes | Marine | Lycodes vahli |
| Lycodes vahlii | Perciformes | Marine – North Atlantic | Lycodes vahlii |
| Lycodichthys | Perciformes | Marine – Antarctic | Lycodichthys |
| Lycodon | Serpentes | Snake | Lycodon |
| Lycodops | Perciformes | Deep Marine | Lycodopsis |
| Lycodopsis | Perciformes | Marine | Lycodopsis |
| Lycodopsis pacifica | Perciformes | Deep Marine | Lycodopsis pacifica |
| Lycogramma | Perciformes | Marine – Deepwater | Lycogramma |
| Lyconema | Perciformes | Marine | Lyconema |
| Lyconus | Gadiformes | Marine | Lyconus |
| Lycothrissa | Clupeiformes | Freshwater | Lycothrissa |
| Lycozoarces | Perciformes | Deep Marine | Lycozoarces |
| Lyme Bay Anglerfish | Lophiiformes | Marine – Eastern Atlantic | Lophius piscatorius |
| Lynxfish | Ophidiiformes | Marine – Indo-Pacific | Neobythites unimaculatus |
| Lyre Anglerfish | Lophiiformes | Marine | Lophiomus setigerus |
| Lyre Damselfish | Perciformes | Marine | Pomacentrus lyra |
| Lyre Goby | Gobiiformes | Marine: Eastern Pacific | Lythrypnus dalli |
| Lyre Perch | Perciformes | Marine: Western Pacific | Symphorus spilurus |
| Lyre Snapper | Perciformes | Marine: Indo-Pacific | Lutjanus kasmira |
| Lyretail Anthias | Perciformes | Marine – Indo-Pacific | Pseudanthias squamipinnis |
| Lyretail Hogfish | Perciformes | Marine: coral reefs in Indo-Pacific | Bodianus anthioides |
| Lyretail Lyre Goby | Gobiiformes | Marine | Gobiodon lyra |
| Lyretail Perch | Perciformes | Marine: coral reefs in Indo-Pacific | Epinephelus microdon |
| Lyretail Toothcarp | Cyprinodontiformes | Freshwater | Aphyosemion bivittatum |
| Lyretail Wrasse | Perciformes | Marine: coral reefs in Indo-Pacific | Pteragogus flagellifer |
| Lythrurus | Cypriniformes | Freshwater – North America | Lythrurus |