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- Acipenseriformes – Acipenseridae (various sturgeon); Polyodontidae (American paddlefish, Chinese sturgeon)
- Amiiformes – Amiidae (bowfin)
- Anguilliformes – Anguillidae (American eel, European eel, Japanese eel); Congridae (conger eel); Moringuidae (eel); Muraenidae (moray eel)
- Clupeiformes – Clupeidae (herring, pilchard, sardine, shad, sprat); Denticipitidae (denticipitoid herring); Engraulidae (anchovy)
- Cypriniformes – Catostomidae (sucker); Cyprinidae (barb, bitterling, bream, carp, dace, ide, minnow, roach, rudd, shiner, tench); Electrophoridae (electric eel); Gasteropelecidae (flying fish); Serrasalmidae (piranha)
- Elopiformes – Elopidae (ladyfish); Megalopidae (tarpon)
- Gadiformes – Bragmacerotidae (n/a); Gadidae (cod, cusk, haddock, hake, ling, pollock, tomcod, whiting); Moridae (blue hake); Muraenolepidae (eel cod)
- Lepisosteiformes – Lepisosteidae (gar)
- Perciformes – Centrarchidae (bass, Sacramento perch, sunfish); Coryphaenidae (dolphin); Echeneidae (remora, whalesucker); Istiophoridae (marlin, sailfish, spearfish); Lutjanidae (snapper); Luvaridae (louvar); Percidae (darter, grouper, perch); Polynemoidae (barbu, threadfin); Scombrodae (albacore, mackerel, tuna); Serranidae (bass, perch, pike-perch, walleye); Sphyraenidae (barracuda, sennet); Xiphiidae (swordfish)
- Pleuronectiformes – Bothidae (summer flounder, California halibut, scald fish); Citharidae (flounder); Pleuronectidae (dab, flounder, halibut, sole, plaice); Psettodidae (flounder); Scophthalmidae (brill, megrim, topnot, turbot); Soleidae (hogchoker, sole)
- Salmoniformes – Esocidae (muskellunge, pickerel, pike); Osmeridae (capelin, smelt); Salmonidae (charr, cisco, grayling, lenok, masu, redfish, salmon, trout, tschirr, whitefish); Umbridae (mudminnow)
- Siluriformes – Ariidae (crucifix catfish); Bagridae (Bagrid catfish, dwarf catfish); Ictaluridae (bullhead, channel catfish); Pangasiidae (giant catfish); Schilbeidae (catfish); Siluridae (wels); Sisoridae (sucker catfish); Tachysuridae (mouth-breathing catfish)
- Tetraodontiformes – Tetradontidae (puffer)
