There are 160 fish that start with the letter E, from Eastern Atlantic Cod to Eyestripe Surgeonfish. 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: Eastern Atlantic Cod
Order: Gadiformes
Habitat: Marine (Eastern Atlantic)
Scientific name: Gadus morhua
Name: Eastern Banded Killifish
Order: Cyprinodontiformes
Habitat: Freshwater and Brackish (North America)
Scientific name: Fundulus diaphanus
Name: Eastern Boxfish
Order: Tetraodontiformes
Habitat: Marine (Indo-Pacific)
Scientific name: Ostracion cubicus
Name: Eastern Clown Anemonefish
Order: Perciformes
Habitat: Marine (Western Pacific)
Scientific name: Amphiprion percula
Name: Eastern Creek Chub
Order: Cypriniformes
Habitat: Freshwater (North America)
Scientific name: Semotilus atromaculatus
Name: Eastern Gar
Order: Lepisosteiformes
Habitat: Freshwater (North America)
Scientific name: Lepisosteus osseus
Name: Eastern Guitarfish
Order: Rajiformes
Habitat: Marine (Eastern Atlantic)
Scientific name: Rhinobatos rhinobatos
Name: Eastern Jumping Blenny
Order: Blenniiformes
Habitat: Marine (Western Atlantic)
Scientific name: Hypsoblennius hentz
Name: Eastern Longnose Sawshark
Order: Pristiophoriformes
Habitat: Marine (Australia)
Scientific name: Pristiophorus cirratus
Name: Eastern Mosquitofish
Order: Cyprinodontiformes
Habitat: Freshwater (North America)
Scientific name: Gambusia holbrooki
Name: Eastern Sand Darter
Order: Perciformes
Habitat: Freshwater (North America)
Scientific name: Ammocrypta pellucida
Name: Eastern Scorpionfish
Order: Scorpaeniformes
Habitat: Marine (Eastern Pacific)
Scientific name: Scorpaena guttata
Name: Eastern Starfish
Order: Valvatida
Habitat: Marine (Western Atlantic)
Scientific name: Asterias forbesi
Name: Eastern Striped Seaperch
Order: Perciformes
Habitat: Marine (Eastern Pacific)
Scientific name: Embiotoca lateralis
Name: Eastern Wobbegong
Order: Orectolobiformes
Habitat: Marine (Australia)
Scientific name: Orectolobus halei
Name: Ecsenius Bicolor
Order: Blenniiformes
Habitat: Marine (Indo-Pacific)
Scientific name: Ecsenius bicolor
Name: Ecsenius Midas
Order: Blenniiformes
Habitat: Marine (Indo-Pacific)
Scientific name: Ecsenius midas
Name: Ecsenius Prooculis
Order: Blenniiformes
Habitat: Marine (Indo-Pacific)
Scientific name: Ecsenius prooculis
Name: Edgar's Scorpionfish
Order: Scorpaeniformes
Habitat: Marine (Pacific Ocean)
Scientific name: Scorpaena edgari
Name: Edmondson's Pipefish
Order: Syngnathiformes
Habitat: Marine (Western Pacific)
Scientific name: Corythoichthys edmondsoni
Name: Edwardsiana
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Edwardsiana maculosa
Name: Eel
Order: Anguilliformes
Habitat: Freshwater and marine (catadromous)
Scientific name: Anguilla anguilla
Name: Eel Catfish
Order: Siluriformes
Habitat: Marine and Brackish (Indo-Pacific)
Scientific name: Plotosus lineatus
Name: Eel Cod
Order: Ophidiiformes
Habitat: Marine (Southern Ocean)
Scientific name: Muraenolepis microps
Name: Eel Gobie
Order: Gobiiformes
Habitat: Brackish (Atlantic Coast)
Scientific name: Gobioides broussonnetii
Name: Eel Pout
Order: Perciformes
Habitat: Marine (North Atlantic)
Scientific name: Zoarces americanus
Name: Eel River Sculpin
Order: Scorpaeniformes
Habitat: Freshwater (North America)
Scientific name: Cottus asperrimus
Name: Egg-laying Toothcarp
Order: Cyprinodontiformes
Habitat: Freshwater (Asia)
Scientific name: Oryzias latipes
Name: Eigenmann's Catfish
Order: Siluriformes
Habitat: Freshwater (South America)
Scientific name: Rhamdiopsis eigenmanni
Name: Eight Gilled Shark
Order: Hexanchiformes
Habitat: Marine (Deep Sea)
Scientific name: Hexanchus griseus
Name: Eight-Bar Grouper
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Epinephelus octofasciatus
Name: Eight-Spined Cardinalfish
Order: Perciformes
Habitat: Marine (Western Pacific)
Scientific name: Apogon octospinus
Name: Eighty-Eight Butterflyfish
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Chaetodon octofasciatus
Name: Einarr's Cichlid
Order: Cichliformes
Habitat: Freshwater (Lake Malawi)
Scientific name: Melanochromis einaratus
Name: Electric Blue Hap
Order: Cichliformes
Habitat: Freshwater (Lake Malawi)
Scientific name: Sciaenochromis fryeri
Name: Electric Blue Jack Dempsey
Order: Cichliformes
Habitat: Freshwater (Hybrid)
Scientific name: Andinoacara rivulatus
Name: Electric Blue Ram
Order: Cichliformes
Habitat: Freshwater (Hybrid)
Scientific name: Mikrogeophagus ramirezi
Name: Electric Catfish
Order: Siluriformes
Habitat: Freshwater (Africa)
Scientific name: Malapterurus electricus
Name: Electric Eel
Order: Gymnotiformes
Habitat: Freshwater (South America)
Scientific name: Electrophorus electricus
Name: Electric Elephantfish
Order: Mormyridae
Habitat: Freshwater (Africa)
Scientific name: Gymnarchus niloticus
Name: Electric Knifefish
Order: Gymnotiformes
Habitat: Freshwater (South America)
Scientific name: Apteronotus albifrons
Name: Electric Ray
Order: Torpediniformes
Habitat: Marine (temperate and tropical waters)
Scientific name: Torpedo torpedo
Name: Electric Stargazer
Order: Perciformes
Habitat: Marine (Western Atlantic)
Scientific name: Astroscopus calyptra
Name: Elegant Coral Blenny
Order: Blenniiformes
Habitat: Marine (Western Pacific)
Scientific name: Meiacanthus elegantulus
Name: Elegant Firefish
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Nemateleotris decora
Name: Elegant Leopard Wrasse
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Macropharyngodon bipartitus
Name: Elegant Pencil Urchin
Order: Echinodermata
Habitat: Marine (Indo-Pacific reefs)
Scientific name: Echinothrix diadema
Name: Elegant Perch
Order: Perciformes
Habitat: Marine (Western Pacific)
Scientific name: Plectranthias elegantulus
Name: Elegant Snake Eel
Order: Anguilliformes
Habitat: Marine (Indo-Pacific)
Scientific name: Myrichthys colubrinus
Name: Elegant Tuskfish
Order: Perciformes
Habitat: Marine (Western Pacific)
Scientific name: Choerodon venustus
Name: Elephantfish
Order: Mormyridae
Habitat: Freshwater (Africa)
Scientific name: Gnathonemus petersii
Name: Elephantnose Fish
Order: Mormyridae
Habitat: Freshwater (Africa)
Scientific name: Gnathonemus petersii
Name: Elias' Cichlid
Order: Cichliformes
Habitat: Freshwater (Lake Malawi)
Scientific name: Chindongo eliasii
Name: Emerald Catfish
Order: Siluriformes
Habitat: Freshwater (South America)
Scientific name: Brochis splendens
Name: Emerald Goby
Order: Gobiiformes
Habitat: Marine (Caribbean reefs)
Scientific name: Elacatinus multifasciatus
Name: Emmelichthyidae
Order: Perciformes
Habitat: Marine (Deep sea)
Scientific name: Emmelichthyidae
Name: Emmelichthys Nitidus
Order: Perciformes
Habitat: Marine (Temperate Southern Hemisphere)
Scientific name: Emmelichthys nitidus
Name: Emperor Angelfish
Order: Perciformes
Habitat: Marine (Indo-Pacific reefs)
Scientific name: Pomacanthus imperator
Name: Emperor Snapper
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Lutjanus sebae
Name: Enchantress Blenny
Order: Blenniiformes
Habitat: Marine (Indo-Pacific reefs)
Scientific name: Cirripectes castaneus
Name: Enchelycore Anilopteryx
Order: Anguilliformes
Habitat: Marine (Atlantic Ocean)
Scientific name: Enchelycore anatina
Name: Enchelycore Pardalis
Order: Anguilliformes
Habitat: Marine (Indo-Pacific)
Scientific name: Enchelycore pardalis
Name: Enchelyopus Cimbrius
Order: Gadiformes
Habitat: Marine (North Atlantic)
Scientific name: Enchelyopus cimbrius
Name: Engraved Blenny
Order: Blenniiformes
Habitat: Marine (Indo-Pacific)
Scientific name: Cirripectes variolosus
Name: Enigma Wrasse
Order: Perciformes
Habitat: Marine (Western Pacific)
Scientific name: Pteragogus cryptus
Name: Enneacanthus Obesus
Order: Perciformes
Habitat: Freshwater (North America)
Scientific name: Enneacanthus obesus
Name: Ennoche
Order: Argentiniformes
Habitat: Marine (Atlantic Ocean)
Scientific name: Argentina sphyraena
Name: Enoplosus Armatus
Order: Perciformes
Habitat: Marine (Australia)
Scientific name: Enoplosus armatus
Name: Enoplosus white
Order: Perciformes
Habitat: Marine (Australia)
Scientific name: Enoplosus armatus
Name: Epaulard's Cichlid
Order: Cichliformes
Habitat: Freshwater (Lake Tanganyika)
Scientific name: Lamprologus epaulardi
Name: Ephippus Orbis
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Ephippus orbis
Name: Epicropus
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Epicropus bidens
Name: Epinephelus Adscensionis
Order: Perciformes
Habitat: Marine (Atlantic Ocean)
Scientific name: Epinephelus adscensionis
Name: Epinephelus Aeneus
Order: Perciformes
Habitat: Marine (Eastern Atlantic)
Scientific name: Epinephelus aeneus
Name: Epinephelus Chlorostigma
Order: Perciformes
Habitat: Marine (Indo-Pacific reefs)
Scientific name: Epinephelus chlorostigma
Name: Epinephelus Coelestinus
Order: Perciformes
Habitat: Marine (Indo-Pacific reefs)
Scientific name: Epinephelus coelestinus
Name: Epinephelus Malabaricus
Order: Perciformes
Habitat: Marine (Indo-Pacific reefs)
Scientific name: Epinephelus malabaricus
Name: Epinephelus Polylepis
Order: Perciformes
Habitat: Marine (Western Pacific)
Scientific name: Epinephelus polylepis
Name: Epinephelus Posteli
Order: Perciformes
Habitat: Marine (Western Pacific)
Scientific name: Epinephelus posteli
Name: Epinephelus Quoyanus
Order: Perciformes
Habitat: Marine (Western Pacific)
Scientific name: Epinephelus quoyanus
Name: Epinephelus Tukula
Order: Perciformes
Habitat: Marine (Indo-Pacific reefs)
Scientific name: Epinephelus tukula
Name: Epinephelus Undulosus
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Epinephelus undulosus
Name: Epinephelus chlorocephalus
Order: Perciformes
Habitat: Marine (Western Pacific)
Scientific name: Epinephelus chlorocephalus
Name: Epinephelus costae
Order: Perciformes
Habitat: Marine (Mediterranean Sea)
Scientific name: Epinephelus costae
Name: Epinephelus daemelii
Order: Perciformes
Habitat: Marine (South Western Pacific)
Scientific name: Epinephelus daemelii
Name: Epinephelus ergastularius
Order: Perciformes
Habitat: Marine (Western Pacific)
Scientific name: Epinephelus ergastularius
Name: Epinephelus flavocaeruleus
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Epinephelus flavocaeruleus
Name: Epinephelus fuscoguttatus
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Epinephelus fuscoguttatus
Name: Epinephelus goreensis
Order: Perciformes
Habitat: Marine (Eastern Atlantic)
Scientific name: Epinephelus goreensis
Name: Epinephelus guttatus
Order: Perciformes
Habitat: Marine (Western Atlantic)
Scientific name: Epinephelus guttatus
Name: Epinephelus longispinis
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Epinephelus longispinis
Name: Epinephelus maculatus
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Epinephelus maculatus
Name: Epinephelus marginatus
Order: Perciformes
Habitat: Marine (Atlantic Ocean)
Scientific name: Epinephelus marginatus
Name: Epinephelus microdon
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Epinephelus microdon
Name: Epinephelus miranda
Order: Perciformes
Habitat: Marine (Western Pacific)
Scientific name: Epinephelus miranda
Name: Epinephelus morio
Order: Perciformes
Habitat: Marine (Western Atlantic)
Scientific name: Epinephelus morio
Name: Epinephelus oceanicus
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Epinephelus oceanicus
Name: Epinephelus ongus
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Epinephelus ongus
Name: Epinephelus poecilonotus
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Epinephelus poecilonotus
Name: Epinephelus polyphekadion
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Epinephelus polyphekadion
Name: Epinephelus radiatus
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Epinephelus radiatus
Name: Epinephelus septemfasciatus
Order: Perciformes
Habitat: Marine (Western Pacific)
Scientific name: Epinephelus septemfasciatus
Name: Epinephelus striatus
Order: Perciformes
Habitat: Marine (Western Atlantic)
Scientific name: Epinephelus striatus
Name: Epinephelus tauvina
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Epinephelus tauvina
Name: Epinephelus trimaculatus
Order: Perciformes
Habitat: Marine (Western Pacific)
Scientific name: Epinephelus trimaculatus
Name: Epinephelus undulatostriatus
Order: Perciformes
Habitat: Marine (Western Pacific)
Scientific name: Epinephelus undulatostriatus
Name: Equivalent Rockfish
Order: Scorpaeniformes
Habitat: Marine (North Pacific)
Scientific name: Sebastes equalis
Name: Eremichthys
Order: Tetraodontiformes
Habitat: Marine (Deep sea)
Scientific name: Eremichthys simus
Name: Ergasilus
Order: Copepoda
Habitat: Freshwater (Parasitic)
Scientific name: Ergasilus sieboldi
Name: Erilepis Zonifer
Order: Scorpaeniformes
Habitat: Marine (North Pacific)
Scientific name: Erilepis zonifer
Name: Erimyzon Sucetta
Order: Cypriniformes
Habitat: Freshwater (North America)
Scientific name: Erimyzon sucetta
Name: Erimyzon sucetta
Order: Cypriniformes
Habitat: Freshwater (North America)
Scientific name: Erimyzon sucetta
Name: Errex
Order: Pleuronectiformes
Habitat: Marine (North Pacific)
Scientific name: Errex zachirus
Name: Eschmeyer's Scorpionfish
Order: Scorpaeniformes
Habitat: Marine (Indo-Pacific)
Scientific name: Scorpaenopsis eschmeyeri
Name: Esmark's Sucker
Order: Cypriniformes
Habitat: Freshwater (Africa)
Scientific name: Chiloglanis esmarki
Name: Esox Lucius
Order: Esociformes
Habitat: Freshwater (Northern Hemisphere)
Scientific name: Esox lucius
Name: Esox Niger
Order: Esociformes
Habitat: Freshwater (North America)
Scientific name: Esox niger
Name: Essington Stonefish
Order: Scorpaeniformes
Habitat: Marine (Australia)
Scientific name: Synanceia horrida
Name: Etheostoma Bellum
Order: Perciformes
Habitat: Freshwater (North America)
Scientific name: Etheostoma bellum
Name: Etheostoma Caeruleum
Order: Perciformes
Habitat: Freshwater (North America)
Scientific name: Etheostoma caeruleum
Name: Etheostoma Flabellare
Order: Perciformes
Habitat: Freshwater (North America)
Scientific name: Etheostoma flabellare
Name: Etheostoma Nigrum
Order: Perciformes
Habitat: Freshwater (North America)
Scientific name: Etheostoma nigrum
Name: Ethiopian Lungfish
Order: Ceratodontiformes
Habitat: Freshwater (Africa)
Scientific name: Protopterus aethiopicus
Name: Etroplus Canarensis
Order: Cichliformes
Habitat: Freshwater (South Asia)
Scientific name: Etroplus canarensis
Name: Etroplus Suratensis
Order: Cichliformes
Habitat: Brackish and Freshwater (South Asia)
Scientific name: Etroplus suratensis
Name: Eubalaena
Order: Cetacea
Habitat: Marine (North Atlantic)
Scientific name: Eubalaena glacialis
Name: Eucrossorhinus dasypogon
Order: Orectolobiformes
Habitat: Marine (Indo-Pacific)
Scientific name: Eucrossorhinus dasypogon
Name: Eudyptes
Order: Perciformes
Habitat: Marine (Southern Ocean)
Scientific name: Eudyptes chrysocome
Name: Euler's Catfish
Order: Siluriformes
Habitat: Freshwater (South America)
Scientific name: Brachyrhamdia marthae
Name: Eulopia
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Eulopia longifolia
Name: Eumesogrammus praecisus
Order: Perciformes
Habitat: Marine (North Pacific)
Scientific name: Eumesogrammus praecisus
Name: Eumetopias
Order: Scorpaeniformes
Habitat: Marine (North Pacific)
Scientific name: Eumetopias jubatus
Name: Eumicrotremus
Order: Scorpaeniformes
Habitat: Marine (North Pacific)
Scientific name: Eumicrotremus orbis
Name: Eupomacentrus
Order: Perciformes
Habitat: Marine (Caribbean Sea)
Scientific name: Eupomacentrus planifrons
Name: Eustigmatidae
Order: Ophidiiformes
Habitat: Marine (Deep Sea)
Scientific name: Eustigmatidae
Name: Eutaenia
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Eutaenia dimidiata
Name: Euthynnus
Order: Scombriformes
Habitat: Marine (Indo-Pacific)
Scientific name: Euthynnus affinis
Name: Euthynnus alletteratus
Order: Scombriformes
Habitat: Marine (Atlantic Ocean)
Scientific name: Euthynnus alletteratus
Name: Eutropiellus debauwi
Order: Siluriformes
Habitat: Freshwater (Africa)
Scientific name: Eutropiellus debauwi
Name: Evermannella
Order: Stomiiformes
Habitat: Marine (Deep Sea)
Scientific name: Evermannella indica
Name: Eversmannella
Order: Stomiiformes
Habitat: Marine (Deep sea)
Scientific name: Evermannella indica
Name: Eviota Bicolor
Order: Gobiiformes
Habitat: Marine (Indo-Pacific)
Scientific name: Eviota bicolor
Name: Eviota Nigriventris
Order: Gobiiformes
Habitat: Marine (Western Pacific)
Scientific name: Eviota nigriventris
Name: Eviota Pellucida
Order: Gobiiformes
Habitat: Marine (Indo-Pacific)
Scientific name: Eviota pellucida
Name: Evynnis japonica
Order: Spariformes
Habitat: Marine (Western Pacific)
Scientific name: Evynnis japonica
Name: Exallias Brevis
Order: Blenniiformes
Habitat: Marine (Indo-Pacific)
Scientific name: Exallias brevis
Name: Exallias brevis
Order: Blenniiformes
Habitat: Marine (Indo-Pacific)
Scientific name: Exallias brevis
Name: Exocetidae
Order: Beloniformes
Habitat: Marine (Pelagic)
Scientific name: Exocoetidae
Name: Exocoetidae
Order: Beloniformes
Habitat: Marine (Pelagic)
Scientific name: Exocoetidae
Name: Exocoetus Volitans
Order: Beloniformes
Habitat: Marine (Atlantic Ocean)
Scientific name: Exocoetus volitans
Name: Exodeconus
Order: Scorpaeniformes
Habitat: Marine (Eastern Pacific)
Scientific name: Exodeconus miopus
Name: Exodon Paradoxus
Order: Characiformes
Habitat: Freshwater (South America)
Scientific name: Exodon paradoxus
Name: Explosive Sea Catfish
Order: Siluriformes
Habitat: Brackish and Freshwater (Australia)
Scientific name: Neoarius graeffei
Name: Eye-Darter
Order: Perciformes
Habitat: Freshwater (North America)
Scientific name: Etheostoma microperca
Name: Eyebrow Tang
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Acanthurus nigricans
Name: Eyed Flounder
Order: Pleuronectiformes
Habitat: Marine (Atlantic Ocean)
Scientific name: Bothus podas
Name: Eyed Sole
Order: Pleuronectiformes
Habitat: Marine (Eastern Atlantic)
Scientific name: Microchirus ocellatus
Name: Eyepatch Blenny
Order: Blenniiformes
Habitat: Marine (Western Pacific)
Scientific name: Crossosalarias macrospilus
Name: Eyestripe Cardinalfish
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Apogon cyanosoma
Name: Eyestripe Surgeonfish
Order: Perciformes
Habitat: Marine (Indo-Pacific)
Scientific name: Acanthurus triostegus
| Name | Order | Habitat | Scientific name |
|---|---|---|---|
| Eastern Atlantic Cod | Gadiformes | Marine (Eastern Atlantic) | Gadus morhua |
| Eastern Banded Killifish | Cyprinodontiformes | Freshwater and Brackish (North America) | Fundulus diaphanus |
| Eastern Boxfish | Tetraodontiformes | Marine (Indo-Pacific) | Ostracion cubicus |
| Eastern Clown Anemonefish | Perciformes | Marine (Western Pacific) | Amphiprion percula |
| Eastern Creek Chub | Cypriniformes | Freshwater (North America) | Semotilus atromaculatus |
| Eastern Gar | Lepisosteiformes | Freshwater (North America) | Lepisosteus osseus |
| Eastern Guitarfish | Rajiformes | Marine (Eastern Atlantic) | Rhinobatos rhinobatos |
| Eastern Jumping Blenny | Blenniiformes | Marine (Western Atlantic) | Hypsoblennius hentz |
| Eastern Longnose Sawshark | Pristiophoriformes | Marine (Australia) | Pristiophorus cirratus |
| Eastern Mosquitofish | Cyprinodontiformes | Freshwater (North America) | Gambusia holbrooki |
| Eastern Sand Darter | Perciformes | Freshwater (North America) | Ammocrypta pellucida |
| Eastern Scorpionfish | Scorpaeniformes | Marine (Eastern Pacific) | Scorpaena guttata |
| Eastern Starfish | Valvatida | Marine (Western Atlantic) | Asterias forbesi |
| Eastern Striped Seaperch | Perciformes | Marine (Eastern Pacific) | Embiotoca lateralis |
| Eastern Wobbegong | Orectolobiformes | Marine (Australia) | Orectolobus halei |
| Ecsenius Bicolor | Blenniiformes | Marine (Indo-Pacific) | Ecsenius bicolor |
| Ecsenius Midas | Blenniiformes | Marine (Indo-Pacific) | Ecsenius midas |
| Ecsenius Prooculis | Blenniiformes | Marine (Indo-Pacific) | Ecsenius prooculis |
| Edgar's Scorpionfish | Scorpaeniformes | Marine (Pacific Ocean) | Scorpaena edgari |
| Edmondson's Pipefish | Syngnathiformes | Marine (Western Pacific) | Corythoichthys edmondsoni |
| Edwardsiana | Perciformes | Marine (Indo-Pacific) | Edwardsiana maculosa |
| Eel | Anguilliformes | Freshwater and marine (catadromous) | Anguilla anguilla |
| Eel Catfish | Siluriformes | Marine and Brackish (Indo-Pacific) | Plotosus lineatus |
| Eel Cod | Ophidiiformes | Marine (Southern Ocean) | Muraenolepis microps |
| Eel Gobie | Gobiiformes | Brackish (Atlantic Coast) | Gobioides broussonnetii |
| Eel Pout | Perciformes | Marine (North Atlantic) | Zoarces americanus |
| Eel River Sculpin | Scorpaeniformes | Freshwater (North America) | Cottus asperrimus |
| Egg-laying Toothcarp | Cyprinodontiformes | Freshwater (Asia) | Oryzias latipes |
| Eigenmann's Catfish | Siluriformes | Freshwater (South America) | Rhamdiopsis eigenmanni |
| Eight Gilled Shark | Hexanchiformes | Marine (Deep Sea) | Hexanchus griseus |
| Eight-Bar Grouper | Perciformes | Marine (Indo-Pacific) | Epinephelus octofasciatus |
| Eight-Spined Cardinalfish | Perciformes | Marine (Western Pacific) | Apogon octospinus |
| Eighty-Eight Butterflyfish | Perciformes | Marine (Indo-Pacific) | Chaetodon octofasciatus |
| Einarr's Cichlid | Cichliformes | Freshwater (Lake Malawi) | Melanochromis einaratus |
| Electric Blue Hap | Cichliformes | Freshwater (Lake Malawi) | Sciaenochromis fryeri |
| Electric Blue Jack Dempsey | Cichliformes | Freshwater (Hybrid) | Andinoacara rivulatus |
| Electric Blue Ram | Cichliformes | Freshwater (Hybrid) | Mikrogeophagus ramirezi |
| Electric Catfish | Siluriformes | Freshwater (Africa) | Malapterurus electricus |
| Electric Eel | Gymnotiformes | Freshwater (South America) | Electrophorus electricus |
| Electric Elephantfish | Mormyridae | Freshwater (Africa) | Gymnarchus niloticus |
| Electric Knifefish | Gymnotiformes | Freshwater (South America) | Apteronotus albifrons |
| Electric Ray | Torpediniformes | Marine (temperate and tropical waters) | Torpedo torpedo |
| Electric Stargazer | Perciformes | Marine (Western Atlantic) | Astroscopus calyptra |
| Elegant Coral Blenny | Blenniiformes | Marine (Western Pacific) | Meiacanthus elegantulus |
| Elegant Firefish | Perciformes | Marine (Indo-Pacific) | Nemateleotris decora |
| Elegant Leopard Wrasse | Perciformes | Marine (Indo-Pacific) | Macropharyngodon bipartitus |
| Elegant Pencil Urchin | Echinodermata | Marine (Indo-Pacific reefs) | Echinothrix diadema |
| Elegant Perch | Perciformes | Marine (Western Pacific) | Plectranthias elegantulus |
| Elegant Snake Eel | Anguilliformes | Marine (Indo-Pacific) | Myrichthys colubrinus |
| Elegant Tuskfish | Perciformes | Marine (Western Pacific) | Choerodon venustus |
| Elephantfish | Mormyridae | Freshwater (Africa) | Gnathonemus petersii |
| Elephantnose Fish | Mormyridae | Freshwater (Africa) | Gnathonemus petersii |
| Elias' Cichlid | Cichliformes | Freshwater (Lake Malawi) | Chindongo eliasii |
| Emerald Catfish | Siluriformes | Freshwater (South America) | Brochis splendens |
| Emerald Goby | Gobiiformes | Marine (Caribbean reefs) | Elacatinus multifasciatus |
| Emmelichthyidae | Perciformes | Marine (Deep sea) | Emmelichthyidae |
| Emmelichthys Nitidus | Perciformes | Marine (Temperate Southern Hemisphere) | Emmelichthys nitidus |
| Emperor Angelfish | Perciformes | Marine (Indo-Pacific reefs) | Pomacanthus imperator |
| Emperor Snapper | Perciformes | Marine (Indo-Pacific) | Lutjanus sebae |
| Enchantress Blenny | Blenniiformes | Marine (Indo-Pacific reefs) | Cirripectes castaneus |
| Enchelycore Anilopteryx | Anguilliformes | Marine (Atlantic Ocean) | Enchelycore anatina |
| Enchelycore Pardalis | Anguilliformes | Marine (Indo-Pacific) | Enchelycore pardalis |
| Enchelyopus Cimbrius | Gadiformes | Marine (North Atlantic) | Enchelyopus cimbrius |
| Engraved Blenny | Blenniiformes | Marine (Indo-Pacific) | Cirripectes variolosus |
| Enigma Wrasse | Perciformes | Marine (Western Pacific) | Pteragogus cryptus |
| Enneacanthus Obesus | Perciformes | Freshwater (North America) | Enneacanthus obesus |
| Ennoche | Argentiniformes | Marine (Atlantic Ocean) | Argentina sphyraena |
| Enoplosus Armatus | Perciformes | Marine (Australia) | Enoplosus armatus |
| Enoplosus white | Perciformes | Marine (Australia) | Enoplosus armatus |
| Epaulard's Cichlid | Cichliformes | Freshwater (Lake Tanganyika) | Lamprologus epaulardi |
| Ephippus Orbis | Perciformes | Marine (Indo-Pacific) | Ephippus orbis |
| Epicropus | Perciformes | Marine (Indo-Pacific) | Epicropus bidens |
| Epinephelus Adscensionis | Perciformes | Marine (Atlantic Ocean) | Epinephelus adscensionis |
| Epinephelus Aeneus | Perciformes | Marine (Eastern Atlantic) | Epinephelus aeneus |
| Epinephelus Chlorostigma | Perciformes | Marine (Indo-Pacific reefs) | Epinephelus chlorostigma |
| Epinephelus Coelestinus | Perciformes | Marine (Indo-Pacific reefs) | Epinephelus coelestinus |
| Epinephelus Malabaricus | Perciformes | Marine (Indo-Pacific reefs) | Epinephelus malabaricus |
| Epinephelus Polylepis | Perciformes | Marine (Western Pacific) | Epinephelus polylepis |
| Epinephelus Posteli | Perciformes | Marine (Western Pacific) | Epinephelus posteli |
| Epinephelus Quoyanus | Perciformes | Marine (Western Pacific) | Epinephelus quoyanus |
| Epinephelus Tukula | Perciformes | Marine (Indo-Pacific reefs) | Epinephelus tukula |
| Epinephelus Undulosus | Perciformes | Marine (Indo-Pacific) | Epinephelus undulosus |
| Epinephelus chlorocephalus | Perciformes | Marine (Western Pacific) | Epinephelus chlorocephalus |
| Epinephelus costae | Perciformes | Marine (Mediterranean Sea) | Epinephelus costae |
| Epinephelus daemelii | Perciformes | Marine (South Western Pacific) | Epinephelus daemelii |
| Epinephelus ergastularius | Perciformes | Marine (Western Pacific) | Epinephelus ergastularius |
| Epinephelus flavocaeruleus | Perciformes | Marine (Indo-Pacific) | Epinephelus flavocaeruleus |
| Epinephelus fuscoguttatus | Perciformes | Marine (Indo-Pacific) | Epinephelus fuscoguttatus |
| Epinephelus goreensis | Perciformes | Marine (Eastern Atlantic) | Epinephelus goreensis |
| Epinephelus guttatus | Perciformes | Marine (Western Atlantic) | Epinephelus guttatus |
| Epinephelus longispinis | Perciformes | Marine (Indo-Pacific) | Epinephelus longispinis |
| Epinephelus maculatus | Perciformes | Marine (Indo-Pacific) | Epinephelus maculatus |
| Epinephelus marginatus | Perciformes | Marine (Atlantic Ocean) | Epinephelus marginatus |
| Epinephelus microdon | Perciformes | Marine (Indo-Pacific) | Epinephelus microdon |
| Epinephelus miranda | Perciformes | Marine (Western Pacific) | Epinephelus miranda |
| Epinephelus morio | Perciformes | Marine (Western Atlantic) | Epinephelus morio |
| Epinephelus oceanicus | Perciformes | Marine (Indo-Pacific) | Epinephelus oceanicus |
| Epinephelus ongus | Perciformes | Marine (Indo-Pacific) | Epinephelus ongus |
| Epinephelus poecilonotus | Perciformes | Marine (Indo-Pacific) | Epinephelus poecilonotus |
| Epinephelus polyphekadion | Perciformes | Marine (Indo-Pacific) | Epinephelus polyphekadion |
| Epinephelus radiatus | Perciformes | Marine (Indo-Pacific) | Epinephelus radiatus |
| Epinephelus septemfasciatus | Perciformes | Marine (Western Pacific) | Epinephelus septemfasciatus |
| Epinephelus striatus | Perciformes | Marine (Western Atlantic) | Epinephelus striatus |
| Epinephelus tauvina | Perciformes | Marine (Indo-Pacific) | Epinephelus tauvina |
| Epinephelus trimaculatus | Perciformes | Marine (Western Pacific) | Epinephelus trimaculatus |
| Epinephelus undulatostriatus | Perciformes | Marine (Western Pacific) | Epinephelus undulatostriatus |
| Equivalent Rockfish | Scorpaeniformes | Marine (North Pacific) | Sebastes equalis |
| Eremichthys | Tetraodontiformes | Marine (Deep sea) | Eremichthys simus |
| Ergasilus | Copepoda | Freshwater (Parasitic) | Ergasilus sieboldi |
| Erilepis Zonifer | Scorpaeniformes | Marine (North Pacific) | Erilepis zonifer |
| Erimyzon Sucetta | Cypriniformes | Freshwater (North America) | Erimyzon sucetta |
| Erimyzon sucetta | Cypriniformes | Freshwater (North America) | Erimyzon sucetta |
| Errex | Pleuronectiformes | Marine (North Pacific) | Errex zachirus |
| Eschmeyer's Scorpionfish | Scorpaeniformes | Marine (Indo-Pacific) | Scorpaenopsis eschmeyeri |
| Esmark's Sucker | Cypriniformes | Freshwater (Africa) | Chiloglanis esmarki |
| Esox Lucius | Esociformes | Freshwater (Northern Hemisphere) | Esox lucius |
| Esox Niger | Esociformes | Freshwater (North America) | Esox niger |
| Essington Stonefish | Scorpaeniformes | Marine (Australia) | Synanceia horrida |
| Etheostoma Bellum | Perciformes | Freshwater (North America) | Etheostoma bellum |
| Etheostoma Caeruleum | Perciformes | Freshwater (North America) | Etheostoma caeruleum |
| Etheostoma Flabellare | Perciformes | Freshwater (North America) | Etheostoma flabellare |
| Etheostoma Nigrum | Perciformes | Freshwater (North America) | Etheostoma nigrum |
| Ethiopian Lungfish | Ceratodontiformes | Freshwater (Africa) | Protopterus aethiopicus |
| Etroplus Canarensis | Cichliformes | Freshwater (South Asia) | Etroplus canarensis |
| Etroplus Suratensis | Cichliformes | Brackish and Freshwater (South Asia) | Etroplus suratensis |
| Eubalaena | Cetacea | Marine (North Atlantic) | Eubalaena glacialis |
| Eucrossorhinus dasypogon | Orectolobiformes | Marine (Indo-Pacific) | Eucrossorhinus dasypogon |
| Eudyptes | Perciformes | Marine (Southern Ocean) | Eudyptes chrysocome |
| Euler's Catfish | Siluriformes | Freshwater (South America) | Brachyrhamdia marthae |
| Eulopia | Perciformes | Marine (Indo-Pacific) | Eulopia longifolia |
| Eumesogrammus praecisus | Perciformes | Marine (North Pacific) | Eumesogrammus praecisus |
| Eumetopias | Scorpaeniformes | Marine (North Pacific) | Eumetopias jubatus |
| Eumicrotremus | Scorpaeniformes | Marine (North Pacific) | Eumicrotremus orbis |
| Eupomacentrus | Perciformes | Marine (Caribbean Sea) | Eupomacentrus planifrons |
| Eustigmatidae | Ophidiiformes | Marine (Deep Sea) | Eustigmatidae |
| Eutaenia | Perciformes | Marine (Indo-Pacific) | Eutaenia dimidiata |
| Euthynnus | Scombriformes | Marine (Indo-Pacific) | Euthynnus affinis |
| Euthynnus alletteratus | Scombriformes | Marine (Atlantic Ocean) | Euthynnus alletteratus |
| Eutropiellus debauwi | Siluriformes | Freshwater (Africa) | Eutropiellus debauwi |
| Evermannella | Stomiiformes | Marine (Deep Sea) | Evermannella indica |
| Eversmannella | Stomiiformes | Marine (Deep sea) | Evermannella indica |
| Eviota Bicolor | Gobiiformes | Marine (Indo-Pacific) | Eviota bicolor |
| Eviota Nigriventris | Gobiiformes | Marine (Western Pacific) | Eviota nigriventris |
| Eviota Pellucida | Gobiiformes | Marine (Indo-Pacific) | Eviota pellucida |
| Evynnis japonica | Spariformes | Marine (Western Pacific) | Evynnis japonica |
| Exallias Brevis | Blenniiformes | Marine (Indo-Pacific) | Exallias brevis |
| Exallias brevis | Blenniiformes | Marine (Indo-Pacific) | Exallias brevis |
| Exocetidae | Beloniformes | Marine (Pelagic) | Exocoetidae |
| Exocoetidae | Beloniformes | Marine (Pelagic) | Exocoetidae |
| Exocoetus Volitans | Beloniformes | Marine (Atlantic Ocean) | Exocoetus volitans |
| Exodeconus | Scorpaeniformes | Marine (Eastern Pacific) | Exodeconus miopus |
| Exodon Paradoxus | Characiformes | Freshwater (South America) | Exodon paradoxus |
| Explosive Sea Catfish | Siluriformes | Brackish and Freshwater (Australia) | Neoarius graeffei |
| Eye-Darter | Perciformes | Freshwater (North America) | Etheostoma microperca |
| Eyebrow Tang | Perciformes | Marine (Indo-Pacific) | Acanthurus nigricans |
| Eyed Flounder | Pleuronectiformes | Marine (Atlantic Ocean) | Bothus podas |
| Eyed Sole | Pleuronectiformes | Marine (Eastern Atlantic) | Microchirus ocellatus |
| Eyepatch Blenny | Blenniiformes | Marine (Western Pacific) | Crossosalarias macrospilus |
| Eyestripe Cardinalfish | Perciformes | Marine (Indo-Pacific) | Apogon cyanosoma |
| Eyestripe Surgeonfish | Perciformes | Marine (Indo-Pacific) | Acanthurus triostegus |