Abyssocottidae
Acanthuridae
Acestrorhynchidae
Achiridae
Achiropsettidae
Acipenseridae
Acropomatidae
Adrianichthyidae
Ageneiosidae
Agonidae
Akysidae
Albulidae
Alepisauridae
Alepocephalidae
Alestiidae
Alopiidae
Amarsipidae
Ambassidae
Amblycipitidae
Amblyopsidae
Amiidae
Ammodytidae
Amphiliidae
Anabantidae
Anablepidae
Anacanthobatidae
Anarhichadidae
Anguillidae
Anomalopidae
Anoplogasteridae
Anoplopomatidae
Anostomidae
Anotopteridae
Antennariidae
Aphredoderidae
Aphyonidae
Apistidae
Aploactinidae
Aplocheilidae
Aplodactylidae
Apogonidae
Apteronotidae
Argentinidae
Ariidae
Ariommatidae
Arripidae
Artedidraconidae
Aspredinidae
Astroblepidae
Ateleopodidae
Atherinidae
Auchenipteridae
Aulopidae
Aulorhynchidae
Aulostomidae
Bagridae
Balistidae
Balitoridae
Banjosidae
Barbourisiidae
Bathyclupeidae
Bathydraconidae
Bathylagidae
Bathylutichthyidae
Bathymasteridae
Batrachoididae
Bedotiidae
Belonidae
Belontiidae
Bembridae
Berycidae
Blenniidae
Bothidae
Bovichtidae
Brachaeluridae
Brachionichthyidae
Bramidae
Bregmacerotidae
Bythitidae
Caesionidae
Callanthiidae
Callichthyidae
Callionymidae
Callorhinchidae
Caproidae
Caracanthidae
Carangidae
Carapidae
Carcharhinidae
Caristiidae
Catostomidae
Caulophrynidae
Centracanthidae
Centrarchidae
Centriscidae
Centrogeniidae
Centrolophidae
Centrophoridae
Centrophrynidae
Centropomidae
Cepolidae
Ceratiidae
Ceratodontidae
Cetomimidae
Cetopsidae
Cetorhinidae
Chacidae
Chaenopsidae
Chaetodontidae
Champsodontidae
Chanidae
Channichthyidae
Channidae
Characidae
Chaudhuriidae
Chaunacidae
Cheilodactylidae
Chiasmodontidae
Chilodontidae
Chimaeridae
Chirocentridae
Chironemidae
Chlamydoselachidae
Chlopsidae
Chlorophthalmidae
Cichlidae
Cirrhitidae
Citharidae
Citharinidae
Clariidae
Clinidae
Clupeidae
Cobitidae
Coiidae
Colocongridae
Comephoridae
Congiopodidae
Congridae
Coryphaenidae
Cottidae
Cottocomephoridae
Cranoglanididae
Creediidae
Crenuchidae
Cryptacanthodidae
Ctenoluciidae
Curimatidae
Cyclopteridae
Cyematidae
Cynodontidae
Cynoglossidae
Cyprinidae
Cyprinodontidae
Dactylopteridae
Dactyloscopidae
Dalatiidae
Dasyatidae
Dentatherinidae
Denticipitidae
Derichthyidae
Diceratiidae
Dichistiidae
Dinolestidae
Dinopercidae
Diodontidae
Diplomystidae
Diretmidae
Doradidae
Draconettidae
Drepaneidae
Echeneidae
Echinorhinidae
Elassomatidae
Electrophoridae
Eleginopidae
Eleotridae
Elopidae
Embiotocidae
Emmelichthyidae
Engraulidae
Enoplosidae
Ephippidae
Epigonidae
Erethistidae
Ereuniidae
Erythrinidae
Esocidae
Euclichthyidae
Eurypharyngidae
Evermannellidae
Exocoetidae
Fistulariidae
Fundulidae
Gadidae
Galaxiidae
Gasteropelecidae
Gasterosteidae
Gempylidae
Geotriidae
Gerreidae
Gibberichthyidae
Gigantactinidae
Giganturidae
Ginglymostomatidae
Glaucosomatidae
Gnathanacanthidae
Gobiesocidae
Gobiidae
Gonorynchidae
Gonostomatidae
Goodeidae
Grammatidae
Grammicolepididae
Gymnarchidae
Gymnotidae
Gymnuridae
Gyrinocheilidae
Haemulidae
Halosauridae
Harpagiferidae
Helogeneidae
Helostomatidae
Hemigaleidae
Hemiodontidae
Hemiramphidae
Hemiscylliidae
Hemitripteridae
Hepsetidae
Heptapteridae
Heterenchelyidae
Heterodontidae
Heteropneustidae
Hexagrammidae
Hexanchidae
Hexatrygonidae
Himantolophidae
Hiodontidae
Hispidoberycidae
Holocentridae
Hoplichthyidae
Hypophthalmidae
Hypopomidae
Hypoptychidae
Icosteidae
Ictaluridae
Indostomidae
Inermiidae
Ipnopidae
Istiophoridae
Kneriidae
Kraemeriidae
Kuhliidae
Kurtidae
Kyphosidae
Labridae
Labrisomidae
Lactariidae
Lamnidae
Lampridae
Latimeriidae
Latridae
Lebiasinidae
Leiognathidae
Lepidogalaxiidae
Lepidosirenidae
Lepisosteidae
Leptobramidae
Leptochariidae
Leptochilichthyidae
Leptoscopidae
Lethrinidae
Linophrynidae
Liparidae
Lobotidae
Lophichthyidae
Lophiidae
Lophotidae
Loricariidae
Lotidae
Luciocephalidae
Lutjanidae
Luvaridae
Macrouridae
Macrurocyttidae
Malacanthidae
Malapteruridae
Mastacembelidae
Megachasmidae
Megalomycteridae
Megalopidae
Melamphaidae
Melanocetidae
Melanonidae
Melanotaeniidae
Menidae
Merlucciidae
Microdesmidae
Microstomatidae
Mirapinnidae
Mitsukurinidae
Mochokidae
Molidae
Monacanthidae
Monocentridae
Monodactylidae
Monognathidae
Moridae
Moringuidae
Mormyridae
Moronidae
Mugilidae
Mullidae
Muraenesocidae
Muraenidae
Muraenolepididae
Myctophidae
Myliobatidae
Myrocongridae
Myxinidae
Nandidae
Narcinidae
Nematistiidae
Nematogenyidae
Nemichthyidae
Nemipteridae
Neoceratiidae
Neoscopelidae
Neosebastidae
Nettastomatidae
Nomeidae
Normanichthyidae
Notacanthidae
Notocheiridae
Notograptidae
Notopteridae
Notosudidae
Nototheniidae
Odacidae
Odontaspididae
Odontobutidae
Ogcocephalidae
Olyridae
Omosudidae
Oneirodidae
Ophichthidae
Ophidiidae
Opisthoproctidae
Opistognathidae
Oplegnathidae
Orectolobidae
Oreosomatidae
Osmeridae
Osphronemidae
Osteoglossidae
Ostraciidae
Ostracoberycidae
Pangasiidae
Pantodontidae
Parabembridae
Parabrotulidae
Parakysidae
Paralepididae
Paralichthyidae
Parascorpididae
Parascylliidae
Paraulopidae
Parazenidae
Parodontidae
Pataecidae
Pegasidae
Pempheridae
Pentacerotidae
Percichthyidae
Percidae
Perciliidae
Percophidae
Percopsidae
Peristediidae
Petromyzontidae
Phallostethidae
Pholidae
Pholidichthyidae
Phosichthyidae
Phractolaemidae
Phycidae
Pimelodidae
Pinguipedidae
Platycephalidae
Platytroctidae
Plecoglossidae
Plectrogenidae
Plesiobatidae
Plesiopidae
Pleuronectidae
Plotosidae
Poeciliidae
Polymixiidae
Polynemidae
Polyodontidae
Polyprionidae
Polypteridae
Pomacanthidae
Pomacentridae
Pomatomidae
Potamotrygonidae
Priacanthidae
Pristidae
Pristiophoridae
Prochilodontidae
Profundulidae
Proscylliidae
Protopteridae
Psettodidae
Pseudaphritidae
Pseudocarchariidae
Pseudochromidae
Pseudomugilidae
Pseudopimelodidae
Pseudotriakidae
Pseudotrichonotidae
Psilorhynchidae
Psychrolutidae
Ptilichthyidae
Rachycentridae
Radiicephalidae
Rajidae
Regalecidae
Retropinnidae
Rhamphichthyidae
Rhamphocottidae
Rhincodontidae
Rhinobatidae
Rhinochimaeridae
Rhyacichthyidae
Rivulidae
Rondeletiidae
Saccopharyngidae
Salangidae
Salmonidae
Samaridae
Scaridae
Scatophagidae
Schilbeidae
Schindleriidae
Sciaenidae
Scoloplacidae
Scomberesocidae
Scombridae
Scombrolabracidae
Scombropidae
Scopelarchidae
Scophthalmidae
Scorpaenidae
Scyliorhinidae
Scytalinidae
Sebastidae
Serranidae
Serrivomeridae
Setarchidae
Siganidae
Sillaginidae
Siluridae
Sisoridae
Soleidae
Solenostomidae
Sparidae
Sphyraenidae
Sphyrnidae
Squalidae
Squatinidae
Stegostomatidae
Stephanoberycidae
Sternoptychidae
Sternopygidae
Stichaeidae
Stomiidae
Stromateidae
Stylephoridae
Sundasalangidae
Symphysanodontidae
Synanceiidae
Synaphobranchidae
Synbranchidae
Syngnathidae
Synodontidae
Telmatherinidae
Terapontidae
Tetrabrachiidae
Tetragonuridae
Tetraodontidae
Tetrarogidae
Thaumatichthyidae
Torpedinidae
Toxotidae
Trachichthyidae
Trachinidae
Trachipteridae
Triacanthidae
Triacanthodidae
Triakidae
Trichiuridae
Trichodontidae
Trichomycteridae
Trichonotidae
Triglidae
Triodontidae
Tripterygiidae
Umbridae
Uranoscopidae
Urolophidae
Valenciidae
Veliferidae
Xenisthmidae
Xiphiidae
Zanclidae
Zaniolepididae
Zaproridae
Zeidae
Zoarcidae
Aestivating lungfishes
African lungfishes
African tetras
Aholeholes
Airbreathing catfishes
Airsac catfishes
Alfonsinos
Algae eaters
American soles
Anchovies
Angel sharks
Angelfishes
Antarctic dragonfishes
Archerfishes
Argentines or herring smelts
Ariommatids
Armored catfishes
Armored searobins or armored gurnards
Armorhead catfishes
Armorheads
Asiatic glassfishes
Aulopus
Australian lungfish
Australian prowfishes
Australian salmon
Ayu fish
Bagrid catfishes
Baikal oilfishes
Bamboo sharks
Bandfishes
Banjo catfishes
Barbeled dragonfishes
Barbeled houndsharks
Barbled plunderfishes
Barracudas
Barracudinas
Barreleyes or spookfishes
Basking sharks
Basslets
Batfishes
Beachsalmon
Beaked salmons
Beardfishes
Bichirs
Bigeyes or catalufas
Bigscale fishes or ridgeheads
Billfishes
Black seadevils
Blind sharks
Blue eyes
Bluefishes
Boarfishes
Bobtail snipe eels
Bonefishes
Bonnetmouths
Bonytongues
Bottlenose or barbelless catfishes
Bowfins
Boxfishes (cowfish and trunkfish)
Bramble sharks
Bristlemouths
Bullhead, horn, or Port Jackson sharks
Bumblebee catfishes, dwarf marbled catfishes
Butterfishes
Butterfly rays
Butterflyfish
Butterflyfishes
Cales and weed-whitings
Callichthyid armored catfishes
Cardinalfishes
Carpet or nurse sharks
Cat sharks
Cavebasses
Cavefishes
Characins
Cichlids
Citharids
Climbing gouramies
Clingfishes and singleslits
Clinids
Cobia
Cod icefishes
Codlets
Cods and haddocks
Collared carpet sharks
combfishes
Combtooth blennies
Conger and garden eels
Convict blenny
Cornetfishes
Cow sharks
Crestfishes
Crocodile icefishes
Crocodile sharks
Cusk-eels
Cutlassfishes
Cutthroat eels
Daggertooth
Damselfishes
Deep-sea anglerfish
Deep-sea sculpins
Deep-sea smelts
Deep-sea spiny eels
Deepwater cardinalfishes
Deepwater flatheads
Deepwater stingray
Denticle herring
Dogfish sharks
Dolphinfishes
Dories
Dottybacks
Double anglers
Dragonets
Dreamers
Driftfishes
Driftwood catfishes
Drums or croakers
Duckbill eels
Duckbills
Eagle and manta rays
Eel cods
Eelpouts
Eeltail catfishes
Electric catfishes
Electric knifefish
Electric rays
Elephantfishes
Emperors or scavengers
Eucla cods
False brotulas
False catsharks
False morays
False trevallies
Fanfins
Fangtooth
Fatheads
Featherbacks or knifefishes
Filefishes
Finback catsharks
Flabby whalefishes
Flatheads
Flying gurnards
Flyingfishes
Footballfishes
Four-eyed fishes, onesided livebearers & the white eye
Freshwater eels
Freshwater hatchetfishes
Frilled sharks
Frogfishes
Fusiliers
Galaxiids
Galjoen fishes
Gars
Ghost flatheads
Ghost knifefishes
Ghost pipefishes
Giant gourami
Gibberfishes
Glass knifefishes
Gnomefishes
Goatfishes
Gobies
Goblin shark
Gombessa
Goosefishes
Gouramies
Grammicolepidids
Graveldiver
Greeneyes
Greenlings
Grenadiers or rattails
Grunt sculpins
Grunters or tigerperches, thornfishes
Grunts
Guitarfishes
Gulpers
Gunnels
Hagfishes
Hairyfish and tapetails or ribbonbearers
Hakes and burbots
Halfbeaks
Halosaurs
Hammerhead, bonnethead, scoophead shark
Handfishes (warty anglers)
Hawkfishes
Headstanders
Herrings, shads, sardines, menhadens
Hingemouths
Houndsharks
Icefishes or noodlefishes
Jacks and pompanos
Jawfishes
Jellynose fishes
Jutjaws
Kelpfishes
Kissing gourami
Knifejaws
Labrisomids
Lampreys
Lancetfishes
Lanternbellies, temperate ocean-basses
Lanterneye fishes
Lanternfishes
Largenose fishes
Large-tooth flounders
Leaffishes
Lefteye flounders
Leftvents
Leptochilichthyids
Lightfishes
Lizardfishes
Loach catfishes
Loach gobies
Loaches
Long-finned pike
Longneck eels
Longnose chimaeras
Longtail catfishes
Long-whiskered catfishes
Lophichthyid frogfishes
Louvar
Loweye catfishes
Lumpfishes and snailfishes
Mackerel sharks, white sharks
Mackerels, tunas, bonitos
Manefishes
Marbled catfishes
Marblefishes
Medusafishes
Megamouth sharks
Melanonids
Merluccid hakes
Middle American killifishes
Milkfish
Minnows or carps
Mojarras
Molas
Mooneyes
Moonfish
Moonfishes or fingerfishes
Moorish idol
Moray eels
Morid cods
Morwongs
Mudminnows
Mullets
Naked sucker-mouth catfishes
Naked-back knifefishes
Needlefishes
New Zealand smelts
North American freshwater catfishes
Nurse sharks
Nurseryfishes
Oarfishes
Oldwife
Opah
Orbicular velvetfishes
Oreos
Paddlefishes
Parakysid catfishes
Parazen
Parrotfishes
Pearl perches
Pearleyes
Pearlfishes
Pencil or parasitic catfishes
Perches
Phycid hakes
Pike congers
Pike-, tube- and flagblennies
Pike-characids
Pikehead
Pikes
Pinecone fishes
Pipefishes and seahorses
Pirate perches
Plownose chimaeras
Poachers
poeciliids
Pomfrets
Porcupinefishes (burrfishes)
Porgies
Pricklebacks
Pricklefishes
Prowfish
Psettodids
Puffers
Pupfishes
Pygmy sunfishes
Quillfish
Rabbitfishes
Racehorses or pigfishes
Ragfish
Rainbowfishes
Red velvetfish
Redmouth whalefishes
Remoras
Requiem sharks
Ribbonfishes
Ricefishes
Righteye flounders
River loaches
River stingrays
Rivulines
Rockfishes, rockcods and thornyheads
Ronquils
Roosterfish
Round rays
Roundheads
Rovers
Sabertooth fishes
Sablefishes
Sailfin silversides
Salamanderfishes
Salmonids
Sand eel
Sand knifefishes
Sand lances
Sand stargazers
Sand tigers
Sandburrowers
Sanddivers
Sandfishes
Sandfishes or sand gobies
Sandperches
Sauries
Saw sharks
Sawfishes
Sawtooth eels
Scats
Schilbid catfishes
Scorpionfishes or rockfishes
Sculpins
Sea basses: groupers and fairy basslets
Sea catfishes
Sea chubs
Sea toads
Seadevils
Seamoths
Searobins
Shark catfishes
Sheatfishes
Shellears
Shortnose chimaeras or ratfishes
Sicklefishes
Silversides
Sisorid catfishes
Skates
Sleeper sharks
Sleepers
Slickheads
Slimeheads
Slimys, slipmouths, or ponyfishes
Smelts
Smelt-whitings
Smooth skates
Snailfishes
Snake eels
Snake mackerels
Snakeheads
Snappers
Snipe eels
Snipefishes and shrimpfishes
Snooks
Soles
Southern flounders
Southern lampreys
Southern sandfishes
Spadefishes, batfishes and scats
Spikefishes
Spiny dwarf catfishes
Spiny eels
Spiny plunderfishes
Spinyfins
Splendid perches
Splitfins
Squarehead or angler catfish
Squaretails
Squeakers or upside-down catfishes
Squirrelfishes, soldierfishes
Stargazers
Sticklebacks and tubesnouts
Stingrays
Stonefishes
Stream catfishes
Sturgeons
Suckers
Sundaland noodlefishes
Sunfishes
Surfperches
Surgeonfishes, tangs, unicornfishes
Swallowers
Swamp-eels
Sweepers
Swordfish
Tarpons
Telescopefishes
Temperate basses
Tenpounders
Thornfishes
Thorny catfishes
Threadfin breams, Whiptail breams
Threadfins
Threefin blennies
Three-toothed puffer
Thresher sharks
Tilefishes
Toadfishes
Tonguefishes
Toothed seadevils
Topminnows and killifishes
Torrent catfishes
Trahiras
Triggerfishes
Triplespines
Tripletails
Trout-perches
Trumpeters
Trumpetfishes
Tube-eye or thread-tail
Tubeshoulders
Tubesnouts
Velifers
Velvet whalefishes
Velvetfishes
Viviparous brotulas
Waryfishes
Wasp fishes
Weasel sharks
Weeverfishes
Whale catfishes
Whale shark
Whipnose anglers
Wolf herring
Wolffishes
Wolftrap anglers
Worm or spaghetti eels
Wormfishes
Wrasses
Wreckfishes
Wrymouths
Zebra sharks