Phylum Chordata Bateson, 1885 - chordates
Subphylum Vertebrata Cuvier, 1812 - vertebrates
Pisces
Class Actinopterygii Woodward, 1891 - ray-finned fishes
Order Perciformes Rafinesque, 1810 - perches
Family Acanthoclinidae
see Subfamily Acanthoclininae
Family Acanthuridae - surgeonfishes and unicornfishes
Family Acropomatidae Gill, 1891 - lanternbellies
Family Amarsipidae R.L. Haedrich, 1969 - amarsipids
Family Ambassidae
Family Ammodytidae Boulenger, 1910 - sand lances
Family †Amphistiidae
Family Anabantidae - climbing gouramies
Family Anarhichadidae - wolffishes
Family Aplodactylidae
Family Apogonidae Bonaparte, 1846 - cardinalfishes
Family †Arambourgellidae
Family Ariommatidae - ariommatids
Family Arripidae - Australian salmons
Family Banjosidae
Family Bathyclupeidae - bathyclupeids
Family Bathydraconidae - Antarctic dragonfishes
Family Bathymasteridae - ronquils
Family Belontiidae - gouramies and allies
Family Blenniidae Rafinesque, 1815 - combtooth blennies
Family Bovichtidae - bovichtids
see Family Bovichthyidae
Family Bramidae - pomfrets
Family Caesionidae - fusiliers
Family Callanthiidae - splendid perches
Family Callionymidae Regan, 1913 - dragonets
Family Carangidae Rafinesque, 1815 - jacks
Family Caristiidae - veilfins
Family Centracanthidae Fowler, 1925 (1829)
Family Centrarchidae Regan, 1913 - sunfishes and freshwater basses
Family Centrogeniidae nom. imperf.
see Family Centrogenyidae
Family Centrolophidae - medusafishes
Family Centropomidae Poey, 1868
Family Cepolidae Rafinesque, 1815 - bandfishes
Family Chaenopsidae - pikeblennies
Family Chaetodontidae Rafinesque, 1815 - butterflyfishes
Family Champsodontidae - gapers
Family Channichthyidae - crocodile icefishes
Family Channidae Berg, 1940 - snakeheads
Family Cheilodactylidae - fingerfins
Family Chiasmodontidae - swallowers
Family Chironemidae - kelpfishes
Family Cichlidae Heckel, 1840 - cichlids
Family Cirrhitidae - hawkfishes
Family Clinidae Regan, 1912 - clinids and klipfishes
Family Coracinidae
see Family Dichistiidae
Family Coryphaenidae Rafinesque, 1815 - dolphins
Family Creediidae - sand burrowers
Family Cryptacanthodidae - wrymouths
Family Dactyloscopidae - sand stargazers
Family Dinolestidae
Family Dinopercidae - cavebasses
Family Draconettidae - draconettids
Family Drepaneidae Gill, 1872
Family Echeneidae Rafinesque, 1815 - remoras and sharksuckers
see Family Echeneididae Rafinesque, 1815
Family Elassomatidae - pygmy sunfishes
Family Eleotridae - sleepers
see Family Eleotrididae
Family Embiotocidae - surfperches
Family Emmelichthyidae - rovers
Family Enoplosidae - oldwives
Family Ephippidae - spadefishes, batfishes and scats
Family Epigonidae - deepwater cardinalfishes
Family Gempylidae (Gill, 1862) - snake mackerels
Family Gerreidae Bleeker, 1859 - mojarras
Family Glaucosomatidae
Family Gobiidae Regan, 1911 - gobies
Family Grammatidae - basslets
Family Haemulidae Gill, 1885 - grunts
Family Harpagiferidae - plunderfishes
Family Helostomatidae - kissing gouramies
Family Icosteidae - ragfishes
Family Inermiidae - bonnetmouths
Family Istiophoridae Rafinesque, 1815 - billfishes and marlins
Family Kraemeriidae - sand darts
Family Kuhliidae - flagtails
Family Kurtidae - nurseryfishes
Family †Kushlukiidae
Family Kyphosidae - sea chubs
Family Labridae Jordan & Evermann, 1898 - wrasses
Family Labrisomidae - labrisomids
Family Lactariidae - false trevallies
Family Latridae - trumpeters
Family Leiognathidae - ponyfishes
Family Leptobramidae - beachsalmon
Family Leptoscopidae
Family Lethrinidae - emperors
Family Lobotidae - tripletails
Family Luciocephalidae Bleeker, 1852 - pikeheads
Family Lutjanidae Gill, 1861 - snappers
Family Luvaridae - luvars
Family Malacanthidae
Family Menidae Gill, 1885 - moonfishes
Family Microdesmidae
Family Monodactylidae - moonies
Family Moronidae
Family Mugilidae - mullets
Family Mullidae Rafinesque, 1815 - goatfishes
Family Nandidae - leaffishes
Family †Nardoichthyidae
Family Nematistiidae - roosterfishes
Family Nemipteridae Regan, 1930 - threadfin breams and spinycheeks
Family Nomeidae - flotsamfishes
Family Notograptidae
Family Nototheniidae - notothens
Family Odacidae
Family Opistognathidae - jawfishes
Family Oplegnathidae - knifejaws
Family Osphronemidae - giant gouramies
Family †Palaeorhynchidae
Family Parascorpididae - jutjaws
Family Pempheridae - sweepers
Family Pentacerotidae - armorheads
Family Percichthyidae Jordan & Eigenman, 1890 - temperate basses
Family Percidae Rafinesque, 1815 - perches and darters
Family Percophidae - duckbills
see Family Percophididae
Family Pholidae - gunnels
see Family Pholididae
Family Pholidichthyidae - convict-blennies
Family Pinguipedidae - sandperches
Family Plesiopidae
Family Polynemidae - threadfins
Family Polyprionidae - wreckfishes
Family Pomacanthidae - angelfishes
Family Pomacentridae Günther, 1862 - damselfishes and anemonefishes
Family Pomatomidae Jordan & Evermann, 1896 - bluefishes
Family Priacanthidae - bigeyes
Family Pseudochromidae - dottybacks
Family Ptilichthyidae - quillfishes
Family Rachycentridae - cobias
Family †Repropcidae Bannikov, 1991
Family Rhyacichthyidae - loach gobies
Family Scaridae - parrotfishes
Family Scatophagidae - scats
Family Schindleriidae Giltay, 1934 - Schindler's fishes
Family Sciaenidae Günther, 1860 - croakers and drums
Family Scombridae Rafinesque, 1815 - mackerels, tunas and bonitos
Family Scombrolabracidae - black mackerels
Family Scombropidae - gnomefishes
Family Scytalinidae - graveldivers
Family Serranidae Regan, 1913 - sea basses and groupers
Family Siganidae - rabbitfishes
Family Sillaginidae - sillagos
Family Sparidae Jordan & Evermann, 1898 - porgys and seabreams
Family Sphyraenidae - barracudas
Family Stichaeidae - pricklebacks
Family Stromateidae Rafinesque, 1815 - butterfishes
Family Symphysanodontidae Katayama, 1984
Family Terapontidae - grunters
Family Tetragonuridae - squaretails
Family Toxotidae - archerfishes
Family Trachinidae Rafinesque, 1815 - weeverfishes
Family Trichiuridae Rafinesque, 1815 - cutlassfishes and scabbardfishes
Family Trichodontidae - sandfishes
Family Trichonotidae - sand divers
Family Tripterygiidae - threefin blennies
Family Uranoscopidae Jordan & Evermann, 1898 - stargazers
Family Xenisthmidae
Family Xenocephalidae
see Family Uranoscopidae Jordan & Evermann, 1898
Family Xiphiidae Rafinesque, 1815 - swordfishes
Family Zanclidae - moorish idols
Family Zaproridae Jordan, 1896 - prowfishes
Family Zoarcidae - eelpouts