1. A

• African glass catfish
• African lungfish
• Aholehole
• Airbreathing catfish
• Airsac catfish
• Alaska blackfish
• Albacore
• Alewife
• Alfonsino
• Algae eater
• Alligatorfish
• Alligator gar
• Amberjack - Seriola dumerili
• American sole
• Amur pike
• Anchovy
• Anemonefish
• Angelfish
• Angler
• Angler catfish
• Anglerfish
• Antarctic cod
• Antarctic icefish
• Antenna codlet
• Arapaima
• Archerfish
• Arctic char
• Armored gurnard
• Armored searobin
• Armorhead
• Armorhead catfish
• Armoured catfish
• Arowana
• Arrowtooth eel
• Asian carps
• Asiatic glassfish
• Atka mackerel
• Atlantic Bonito (Sarda sarda)
• Atlantic cod
• Atlantic herring
• Atlantic salmon
• Atlantic Sharpnose Shark - Rhizoprioltodon terraenovae
• Atlantic saury
• Atlantic silverside
• Australasian salmon
• Australian grayling
• Australian herring
• Australian lungfish
• Australian prowfish
• Ayu

2. B

• Baikal oilfish
• Bala shark
• Ballan wrasse
• Bamboo shark
• Banded killifish
• Bandfish
• Banjo
• Bangus
• Banjo catfish
• Bank Sea Bass Centropristis ocyurus
• Barb
• Barbel
• Barbeled dragonfish
• Barbeled houndshark
• Barbel-less catfish
• Barfish
• Barracuda
• Barracudina
• Barramundi
• Barred danio
• Barreleye
• Basking shark
• Bass
• Basslet
• Batfish
• Bat ray
• Beachsalmon
• Beaked salmon
• Beaked sandfish
• Beardfish
• Beluga sturgeon
• Bengal danio
• Betta
• Bichir
• Bicolor goat fish
• Bigeye
• Bigeye squaretail
• Bighead carp
• Bigmouth buffalo
• Bigscale
• Bigscale pomfret
• Billfish
• Bitterling
• Black angelfish
• Black bass
• Black dragonfish
• Blackchin
• Blackfin Tuna - Thunnus atlanticus
• Blackfish
• Black neon tetra
• Blacktip reef shark
• Black mackerel
• Black scalyfin
• Black sea bass
• Black scabbardfish
• Black swallower
• Black tetra
• Black triggerfish
• Bank Sea Bass aka Yellow Sea Bass - Centropristis ocyurus
• Bleak
• Blenny
• Blind goby
• Blind shark
• Blobfish
• Blueline Tilefish
• Blowfish
• Blue catfish
• Blue danio
• Blue-redstripe danio
• Blueline Tilefish - Caulolatilus microps
• Blue eye
• Bluefin tuna
• Bluefish
• Bluegill
• Blue gourami
• Blue shark
• Blue triggerfish
• Blue whiting
• Bluntnose knifefish
• Bluntnose minnow
• Boafish
• Boarfish
• Bobtail snipe eel
• Bocaccio
• Boga
• Bombay duck
• Bonefish
• Bonito
• Bonnetmouth
• Bonytail chub
• Bronze corydoras
• Bonytongue
• Bowfin
• Boxfish
• Bramble shark
• Bream
• Brill
• Bristlemouth
• Bristlenose catfish
• Broadband dogfish
• Brook lamprey
• Brook trout
• Brotula
• Brown trout
• Buffalo fish
• Bullhead
• Bullhead shark
• Bull shark
• Bull trout
• Burbot
• Bumblebee goby
• Buri
• Burma danio
• Burrowing goby
• Butterfish
• Butterfly ray
• Butterflyfish

3. C

• California flyingfish
• California halibut
• Canary rockfish
• Candiru
• Candlefish
• Capelin
• Cardinalfish
• Cardinal tetra
• Carp
• Carpetshark
• Carpsucker
• Catalufa
• Catfish
• Catla
• Cat shark
• Cavefish
• Celebes rainbowfish
• Central mudminnow
• Chain pickerel
• Channel bass
• Channel catfish
• Char
• Cherry salmon
• Chimaera
• Chinook salmon
• Cherubfish
• Chub
• Chubsucker
• Chum salmon
• Cichlid
• Cisco
• Climbing catfish
• Climbing gourami
• Climbing perch
• Clingfish
• Clownfish
• Clown loach
• Clown triggerfish
• Cobbler
• Cobia
• Cod
• Cod icefish
• Codlet
• Codling
• Coelacanth
• Coffinfish
• Coho salmon
• Coley
• Collared carpetshark
• Collared dogfish
• Colorado squawfish
• Combfish
• Combtail gourami
• Combtooth blenny
• Common carp
• Common tunny
• Conger eel
• Convict blenny
• Convict cichlid
• Cookie-cutter shark
• Coolie loach
• Cornetfish
• Cowfish
• Cownose ray
• Cow shark
• Crappie
• Creek chub
• Crestfish
• Crevice kelpfish
• Croaker
• Crocodile icefish
• Crocodile shark
• Crucian carp
• Cuckoo wrasse
• Cusk
• Cusk-eel
• Cutlassfish
• Cutthroat eel
• Cutthroat trout

4. D

• Dab
• Dace
• Daggertooth pike conger
• Damselfish
• Danio
• Darter
• Dartfish
• Dealfish
• Death Valley pupfish
• Deep sea eel
• Deep sea smelt
• Deepwater cardinalfish
• Deepwater flathead
• Deepwater stingray
• Delta smelt
• Demoiselle
• Denticle herring
• Desert pupfish
• Devario
• Devil ray
• Dhufish
• Discus
• Diver: New Zealand sand diver or long-finned sand diver
• Dogfish
• Dogfish shark
• Dogteeth tetra
• Dojo loach
• Dolly Varden trout
• Dolphin fish - Corypaena hippurus
• Dorab
• Dorado
• Dory
• Dottyback
• Dragonet
• Dragonfish
• Dragon goby
• Driftfish
• Driftwood catfish
• Drum
• Duckbill
• Duckbill eel
• Dusky grouper
• Dusky Shark - Carcharhinus obscurus
• Dwarf gourami
• Dwarf loach

5. E

• Eagle ray
• Earthworm eel
• Eel
• Eel cod
• Eel-goby
• Eelpout
• Eeltail catfish
• Elasmobranch
• Electric catfish
• Electric eel
• Electric knifefish
• Electric ray
• Elephant fish
• Elephantnose fish
• Elver
• Ember parrotfish
• Emerald catfish
• Emperor
• Emperor angelfish
• Emperor bream
• Escolar
• Eucla cod
• Eulachon
• European chub
• European eel
• European flounder
• European minnow
• European perch

6. F

• False brotula
• False cat shark
• False moray
• False trevally
• Fangtooth
• Fathead sculpin
• Featherback
• Fierasfer
• Fire goby
• Filefish
• Finback cat shark
• Fingerfish
• Fire bar danio
• Firefish
• Flabby whale fish
• Flagblenny
• Flagfin
• Flagfish
• Flagtail
• Flashlight fish
• Flatfish
• Flathead
• Flathead catfish
• Flier
• Flounder
• Flying gurnard
• Flying fish
• Footballfish
• Forehead brooder
• Four-eyed fish
• French angelfish
• Freshwater eel
• Freshwater hatchetfish
• Freshwater shark
• Frigate mackerel
• Frilled shark
• Frogfish
• Frogmouth catfish
• Fusilier fish

7. G

• Galjoen fish
• Ganges shark
• Gar
• Garden eel
• Garibaldi
• Garpike
• Ghost fish
• Ghost flathead
• Ghost knifefish
• Ghost pipefish
• Ghost shark
• Ghoul
• Giant danio
• Giant gourami
• Giant sea bass
• Gibberfish
• Gila trout
• Gizzard shad
• Glass catfish
• Glassfish
• Glass knifefish
• Glowlight danio
• Goatfish
• Goblin shark
• Goby
• Golden dojo
• Golden loach
• Golden shiner
• Golden trout
• Goldeye
• Goldfish
• Gombessa
• Goosefish
• Gopher rockfish
• Gourami
• Grass carp
• Graveldiver
• Grayling
• Gray mullet
• Gray reef shark
• Great white shark
• Green swordtail
• Greeneye
• Greenling
• Grenadier
• Green spotted puffer
• Ground shark
• Grouper
• Grunion
• Grunt
• Grunter
• Grunt sculpin
• Gudgeon
• Guitarfish
• Gulf menhaden
• Gulper eel
• Gulper
• Gunnel
• Guppy
• Gurnard

8. H

• Haddock
• Hagfish
• Hairtail
• Hake
• Halfbeak
• Halfmoon
• Halibut
• Halosaur
• Hamlet
• Hammerhead shark
• Hammerjaw
• Handfish
• Hardhead catfish
• Harelip sucker
• Hatchetfish
• Hawkfish
• Herring
• Herring smelt
• Hickory Shad
• Hillstream loach
• Hog sucker
• Hoki
• Horn shark
• Horsefish
• Houndshark
• Huchen
• Humuhumunukunukuapua'a
• Hussar

9. I

• Icefish
• Ide
• Ilisha
• Inanga
• Inconnu

10. J

• Jack
• Jackfish
• Jack Dempsey
• Japanese eel
• Javelin
• Jawfish
• Jellynose fish
• Jewelfish
• Jewel tetra
• Jewfish
• John Dory

11. K

• Kafue pike
• Kahawai
• Kaluga
• Kanyu
• Kelp perch
• Kelpfish
• Killifish
• King of the herrings
• Kingfish
• King-of-the-salmon
• Kissing gourami
• Knifefish
• Knifejaw
• Koi
• Kokanee
• Kokopu
• Kuhli loach

12. L

• Labyrinth fish
• Ladyfish
• Lake chub
• Lake trout
• Lake whitefish
• Lampfish
• Lamprey
• Lancetfish
• Lanternfish
• Largemouth bass
• Leaffish
• Leatherjacket
• Lefteye flounder
• Lemon shark
• Lemon sole
• Lemon tetra
• Lenok
• Leopard danio
• Lightfish
• Limia
• Lined sole
• Ling
• Ling cod
• Lionfish
• Livebearer
• Lizardfish
• Loach
• Loach catfish
• Loach goby
• Loach minnow
• Longfin
• Longfin dragonfish
• Longfin escolar
• Longfin smelt
• Long-finned char
• Long-finned pike
• Longjaw mudsucker
• Longneck eel
• Longnose chimaera
• Longnose dace
• Longnose lancetfish
• Longnose sucker
• Longnose whiptail catfish
• Long-whiskered catfish
• Loosejaw
• Lost River sucker
• Louvar
• Loweye catfish
• Luderick
• Luminous hake
• Lumpsucker
• Lungfish

13. M

• Mackerel
• Mackerel shark
• Madtom
• Mahi-mahi
• Mahseer
• Mail-cheeked fish
• Mako shark
• Mandarinfish (disambiguation)
• Manefish
• Man-of-war fish
• Manta ray
• Marblefish
• Marine hatchetfish
• Marlin
• Masu salmon
• Medaka
• Medusafish
• Megamouth shark
• Menhaden
• Merluccid hake
• Mexican golden trout
• Midshipman fish
• Milkfish
• Minnow
• Minnow of the deep
• Modoc sucker
• Mojarra
• Mola
• Monkeyface prickleback
• Monkfish
• Mooneye
• Moonfish
• Moorish idol
• Mora
• Moray eel
• Morid cod
• Morwong
• Moses sole
• Mosquitofish
• Mouthbrooder
• Mozambique tilapia
• Mrigal
• Mud catfish (Mud cat)
• Mudfish
• Mudminnow
• Mud minnow
• Mudskipper
• Mudsucker
• Mullet
• Mummichog
• Murray cod
• Muskellunge
• Mustache triggerfish
• Mustard eel

14. N

• Naked-back knifefish
• Nase
• Needlefish
• Neon tetra
• New World rivuline
• New Zealand smelt
• Nibble fish
• Noodlefish
• North American darter
• North American freshwater catfish
• North Pacific daggertooth
• Northern anchovy
• Northern clingfish
• Northern lampfish
• Northern pike
• Northern sea robin
• Northern squawfish
• Northern stargazer
• Nurseryfish
• Nurse shark

15. O

• Oarfish
• Ocean perch
• Ocean sunfish
• Oceanic whitetip shark
• Oilfish
• Oldwife
• Old World knifefish
• Olive flounder
• Opah
• Opaleye
• Orange roughy
• Orangespine unicorn fish
• Orangestriped triggerfish
• Orbicular batfish
• Orbicular velvetfish
• Oregon chub
• Oriental loach
• Oscar
• Owens pupfish

16. P

• Pacific albacore
• Pacific cod
• Pacific hake
• Pacific herring
• Pacific lamprey
• Pacific salmon
• Pacific saury
• Pacific trout
• Pacific viperfish
• Paddlefish
• Pancake batfish
• Panga
• Paradise fish
• Parasitic catfish
• Parore
• Parrotfish
• Peacock flounder
• Peamouth
• Pearleye
• Pearlfish
• Pearl danio
• Pearl perch
• Pelagic cod
• Pelican eel
• Pelican gulper
• Pencil catfish
• Pencilfish
• Pencilsmelt
• Peppered corydoras
• Perch
• Peters' elephantnose fish
• Pickerel
• Pigfish
• Pike conger
• Pike eel
• Pike
• Pikeblenny
• Pikeperch
• Pilchard
• Pilot fish
• Pineapplefish
• Pineconefish
• Pink salmon
• Píntano
• Pipefish
• Piranha
• Pirarucu
• Pirate perch
• Plaice
• Platy
• Platyfish
• Pleco
• Plownose chimaera
• Poacher
• Pollyfish
• Pollock
• Pomfret
• Pompano
• Pompano dolphinfish
• Ponyfish
• Popeye catalufa
• Porbeagle shark
• Porcupinefish
• Porgy
• Port Jackson shark
• Powen
• Prickleback
• Pricklefish
• Prickly shark
• Prowfish
• Pufferfish
• Pumpkinseed
• Pupfish
• Pygmy sunfish

17. Q

• Queen danio
• Queen parrotfish
• Queen triggerfish
• Quillback
• Quillfish

18. R

• Rabbitfish
• Raccoon butterfly fish
• Ragfish
• Rainbow trout
• Rainbowfish
• Rasbora
• Ratfish
• Rattail
• Ray
• Razorback sucker
• Razorfish
• Red Grouper (Epinephelus morio)
• Red salmon
• Red snapper
• Redfin perch
• Redfish
• Redhorse sucker
• Redlip blenny
• Redmouth whalefish
• Redtooth triggerfish
• Red velvetfish
• Red whalefish
• Reedfish
• Reef triggerfish
• Remora
• Requiem shark
• Ribbon eel
• Ribbon sawtail fish
• Ribbonfish
• Rice eel
• Ricefish
• Ridgehead
• Riffle dace
• Righteye flounder
• Rio Grande perch
• River loach
• River shark
• River stingray
• Rivuline
• Roach
• Roanoke bass
• Rock bass
• Rock beauty
• Rock cod
• Rocket danio
• Rockfish
• Rockling
• Rockweed gunnel
• Rohu
• Ronquil
• Roosterfish
• Ropefish
• Rough scad
• Rough sculpin
• Roughy
• Roundhead
• Round herring
• Round stingray
• Round whitefish
• Rudd
• Rudderfish
• Ruffe
• Russian sturgeon

19. S

• Sábalo
• Sabertooth
• Saber-toothed blenny
• Sabertooth fish
• Sablefish
• Sacramento blackfish
• Sacramento splittail
• Sailfin silverside
• Sailfish
• Salamanderfish
• Salmon
• Salmon shark
• Sandbar shark
• Sandburrower
• Sand dab
• Sand diver
• Sand eel
• Sandfish
• Sand goby
• Sand knifefish
• Sand lance
• Sandperch
• Sandroller
• Sand stargazer
• Sand tiger
• Sand tilefish
• Sandbar Shark - Carchathinus plumbeus
• Sarcastic fringehead
• Sardine
• Sargassum fish
• Sauger
• Saury
• Sawfish
• Saw shark
• Sawtooth eel
• Scabbard fish
• Scaly dragonfish
• Scat
• Scissortail rasbora
• Scorpionfish
• Sculpin
• Scup
• Sea bass
• Sea bream
• Sea catfish
• Sea chub
• Sea devil
• Sea dragon
• Sea lamprey
• Sea raven
• Sea snail
• Sea toad
• Seahorse
• Seamoth
• Searobin
• Sevan trout
• Sergeant major
• Shad
• Shark
• Sharksucker
• Sharpnose puffer
• Sheatfish
• Sheepshead
• Sheepshead minnow
• Shiner
• Shortnose chimaera
• Shortnose sucker
• Shovelnose sturgeon
• Shrimpfish
• Siamese fighting fish
• Sillago
• Silver carp
• Silver dollar
• Silver dory
• Silver hake
• Silverside
• Silvertip tetra
• Sind danio
• Sixgill ray
• Sixgill shark
• Skate
• Skilfish
• Skipjack tuna
• Slender mola
• Slender snipe eel
• Sleeper
• Sleeper shark
• Slickhead
• Slimehead
• Slimy mackerel
• Slimy sculpin
• Slipmouth
• Smalleye squaretail
• Smalltooth sawfish
• Smelt
• Smelt-whiting
• Smooth dogfish
• Snailfish
• Snake eel
• Snakehead
• Snake mackerel
• Snapper
• Snipe eel
• Snipefish
• Snoek
• Snook
• Snubnose eel
• Snubnose parasitic eel
• Sockeye salmon
• Soldierfish
• Sole
• South American darter
• South American lungfish
• Southern Dolly Varden
• Southern flounder
• Southern hake
• Southern sandfish
• Southern smelt
• Spadefish
• Spaghetti eel
• Spanish mackerel
• Spearfish
• Speckled trout
• Spiderfish
• Spikefish
• Spinefoot
• Spiny basslet
• Spiny dogfish
• Spiny dwarf catfish
• Spiny eel
• Spinyfin
• Splitfin
• Spookfish
• Spotted climbing perch
• Spotted danio
• Spottail Pinfish - Diplodus holbrooki
• Sprat
• Springfish
• Squarehead catfish
• Squaretail
• Squawfish
• Squeaker
• Squirrelfish
• Staghorn sculpin
• Stargazer
• Starry flounder
• Steelhead
• Stickleback
• Stingfish
• Stingray
• Stonecat
• Stonefish
• Stoneroller minnow
• Stream catfish
• Striped bass
• Striped burrfish
• Sturgeon
• Sucker
• Suckermouth armored catfish
• Summer flounder
• Sundaland noodlefish
• Sunfish
• Surf sardine
• Surfperch
• Surgeonfish
• Swallower
• Swamp-eel
• Swampfish
• Sweeper
• Swordfish
• Swordtail

20. T

• Tadpole cod
• Tadpole fish
• Tailor
• Taimen
• Tang
• Tapetail
• Tarpon
• Tarwhine
• Telescopefish
• Temperate bass
• Temperate ocean-bass
• Temperate perch
• Tench
• Tenpounder
• Tenuis
• Tetra
• Thorny catfish
• Thornfish
• Threadfin
• Threadfin bream
• Thread-tail
• Three spot gourami
• Threespine stickleback
• Three-toothed puffer
• Thresher shark
• Tidewater goby
• Tiger barb
• Tigerperch
• Tiger shark
• Tiger shovelnose catfish
• Tilapia
• Tilefish
• Titan triggerfish
• Toadfish
• Tommy ruff
• Tompot blenny
• Tonguefish
• Tope
• Topminnow
• Torpedo
• Torrent catfish
• Torrent fish
• Trahira
• Treefish
• Trevally
• Triggerfish
• Triplefin blenny
• Triplespine
• Tripletail
• Tripod fish
• Trout
• Trout cod
• Trout-perch
• Trumpeter
• Trumpetfish
• Trunkfish
• Tubeblenny
• Tube-eye
• Tube-snout
• Tubeshoulder
• Tui chub
• Tuna
• Turbot
• Two spotted goby

21. U

• Uaru
• Unicorn fish
• Upside-down catfish

22. V

• Vanjaram
• Velvet belly lanternshark
• Velvet catfish
• Velvetfish
• Vendace
• Vermillion Snapper - Rhomboplites aurorubens
• Vimba
• Viperfish

23. W

• Wahoo
• Walking catfish
• Wallago
• Walleye
• Walleye pollock
• Walu
• Warmouth
• Warty angler
• Waryfish
• Waspfish
• Weasel shark
• Weatherfish
• Weever
• Weeverfish
• Wels catfish
• Whale catfish
• Whalefish
• Whale shark
• Whiff
• Whitebait
• White croaker
• Whitefish
• White marlin
• White shark
• Whitetip reef shark
• Whiting
• Wobbegong
• Wolf-eel
• Wolffish
• Wolf-herring
• Worm eel
• Wormfish
• Wrasse
• Wrymouth

24. X

• X-ray fish

25. Y

• Yellow-and-black triplefin
• Yellowback fusilier
• Yellowbanded perch
• Yellow bass
• Yellowedge grouper (Hyporthodus flavolimbatus)
• Yellow-edged moray
• Yellow-eye mullet
• Yellowhead jawfish
• Yellowfin croaker
• Yellowfin cutthroat trout
• Yellowfin grouper
• Yellowfin Tuna - Thunnus albacares
• Yellowfin pike
• Yellowfin surgeonfish
• Yellowfin tuna
• Yellow jack
• Yellowmargin triggerfish
• Yellow moray
• Yellow perch
• Yellowtail
• Yellowtail amberjack
• Yellowtail barracuda
• Yellowtail clownfish
• Yellowtail horse mackerel
• Yellowtail kingfish
• Yellowtail snapper
• Yellow tang
• Yellow weaver
• Yellowtail catfish

26. Z

• Zander
• Zebra bullhead shark
• Zebra danio
• Zebrafish
• Zebra lionfish
• Zebra loach
• Zebra oto
• Zebra pleco
• Zebra shark
• Zebra tilapia
• Zebra turkeyfish
• Ziege
• Zingel