This page shows Acanthopterygii's splits and focuses on the orders isolated by those splits. The first split is between the order Lampridiformes and Euacanthomorpha. Euacanthomorpha has a three-way split into two orders and Euacanthopterygii. Euacanthopterygii splits into the order Beryciformes and Percomorpha. Percomorpha will be explored on the following pages.
- Euacanthomorphacea
- Berycimorphaceae
- Beryciformes
- Trachichthyiformes
- Holocentrimorphaceae
- Percomorphaceae
- Batrachoidaria
- Batrachoidiformes - Toadfishes
- Syngnathiaria
- Anabantaria
- Anabantiformes
- Synbranchiformes
- Carangaria
- Carangiformes
- Pleuronectiformes
- Istiophoriformes
- Gobiaria
- Ophidiaria
- Ophidiiformes - Cusk Eels
- Pelagiaria
- Percomorpharia (Eupercaria) (next page)
The order of Whalefishes and Alfonsinos. As of 2024, 1 species of Beryciformes has been observed in iNaturalist in the US and 16 throughout the world.
- FAMILY BARBOURISIIDAE
- Red Velvet Whalefish (Barbourisia rufa)
- FAMILY BERYCIDAE
- FAMILY CETOMIMIDAE - FLABBY WHALEFISHES
- Tapetails (Eutaeniophorus)
- Savage's Birdsnouted Whalefish (Rhamphocetichthys savagei)
- FAMILY MELAMPHAIDAE - RIDGEHEADS
- Ridgehead (Melamphaes polylepis)
- FAMILY RONDELETIIDAE
- Redmouth Whalefish (Rondeletia loricata) - (Deep Ocean)
- FAMILY STEPHANOBERYCIDAE - PRICKLEFISHES
The order of Slimeheads, Pinecone Fishes and Lanterneye Fishes. As of 2024, 0 species of Trachichthyiformes have been observed in iNaturalist in the US and 20 throughout the world.
- FAMILY ANOMALOPIDAE - LANTERNEYE FISHES
- Splitfin Flashlightfish (Anomalops katoptron) - 8 (Shedd)
- FAMILY ANOPLOGASTERIDAE
- Fangtooth (Anoplogaster cornuta) - (Monterey Bay)
- FAMILY DIRETMIDAE
- FAMILY MONOCENTRIDAE - PINECONE FISHES
- Pineconefish (Monocentris japonica) - 6 (Omaha Zoo)
- FAMILY TRACHICHTHYIDAE - ROUGHIES
- Orange Roughy (Hoplostethus atlanticus)
The order of Squirrelfishes and Soldierfishes. As of 2024, 23 species of Holocentriformes have been observed in iNaturalist in the US and 54 throughout the world.
- FAMILY HOLOCENTRIDAE
- Crown Squirrelfish (Sargocentron diadema) - 6 (Omaha Zoo)
- Squirrelfish (Holocentrus adscensionis ) - (Florida Keys)
The order of Toadfishes. As of 2024, 6 species of Batrachoidiformes have been observed in iNaturalist in the US and 45 throughout the world.
- FAMILY BATRACOIDIDAE
- Oyster Toadfish (Opsanus tau) - most iNat observations in the US for Batrachoidiformes - 10 (Chesapeake and Delaware Bays)
- White-Lined Toadfish (Sanopus greenfieldorum) - NOAH - Omaha Zoo
- Toadfishes (Opsanus spp.) - (Florida Keys, Florida Aquarium)
The order of Seahorses, Pipefishes and allies. As of 2024, 54 species of Syngnathiformes have been observed in iNaturalist in the US and 337 throughout the world.
- SUBORDER CALLIONYMOIDEI
- FAMILY CALLIONYMIDAE - DRAGONETS
- Lancer Dragonet (Callionymus bairdi) - 2 (Florida)
- FAMILY DRACONETTIDAE
- SUBORDER DACTYLOPTEROIDEI
- FAMILY DACTYLOPTERIDAE - FLYING GURNARDS
- Oriental Flying Gurnard (Dactylopterus orientalis) - 12 (Hawaii)
- Flying Gurnard (Dactylopterus volitans) - 2 (Biscayne Bay)
- SUBORDER MULLOIDEA
- FAMILY MULLIDAE - GOATFISHES
- Yellowstripe Goatfish (Mulloidichthys flavolineatus) - most iNat observations in the US for Syngnathiformes
- SUBORDER SYNGNATHOIDEI
- FAMILY PEGASIDAE
- Short Dragonfish (Eurypegasus draconis)
- FAMILY SOLENOSTOMIDAE - GHOST PIPEFISHES
- Ghost Pipefishes (Solenostomus spp.)
- FAMILY SYNGNATHIDAE
- Pot-Bellied Seahorse (Hippocampus abdominalis) - 6 (KC & Omaha Zoos)
- Lined Seahorse (Hippocampus erectus) - most iNat observations for Seahorses in the US - 2 (Florida), 6 (KC & Tulsa Zoos)
- Oceanic Seahorse (Hippocampus kuda) - 8 (Shedd)
- Longsnout Seahorse (Hippocampus reidi) - 8 (Shedd)
- Weedy Seadragon (Phyllopteryx taeniolatus) - 8 (Shedd)
- Alligator Pipefish (Syngnathoides biaculeatus) - 6 (KC Zoo)
- SYNGNATHIFORMES INCERTAE SEDIS
- FAMILY AULOSTOMIDAE
- Pacific Trumpetfish (Aulostomus chinensis) - 12 (Hawaii)
- FAMILY CENTRISCIDAE
- Shrimpfish (Aeoliscus strigatus) - 6 (KC Zoo), 8 (Shedd)
- Longspine Snipefish (Macroramphosus scolopax) - 6 (KC Zoo), 8 (Shedd)
- FAMILY FISTULARIIDAE
- Bluespotted Cornetfish (Fistularia commersonii) - 12 (Hawaii)
The order Leaffishes, Snakeheads and Gouramis. As of 2024, 4 species of Anabantiformes have been observed in iNaturalist in the US and 132 throughout the world.
- SUBORDER ANABANTOIDEI
- FAMILY ANABANTIDAE
- FAMILY BADIDAE
- FAMILY HELOSTOMATIDAE
- FAMILY OSPHRONEMIDAE
- Giant Gourami (Osphronemus goramy) - 8 (Shedd)
- Moonlight Gourami (Trichopodus microlepis) - 8 (Shedd)
- Betta (Betta splendens)
- FAMILY PRISTOLEPIDIDAE
- SUBORDER CHANNOIDEI
- FAMILY CHANNIDAE
- Northern Snakehead (Channa argus) - most iNat observations in the US for Anabantiformes. Introduced. Found in a Maryland pond, can survive out of water and outcompetes (or eats) other fishes.
- FAMILY NANDIDAE - LEAFFISHES
The order of Swamp Eels. As of 2024, 3 species of Synbranchiformes have been observed in iNaturalist in the US and 44 throughout the world. The species observed in the US have been introduced.
- FAMILY MASTACEMBELIDAE
- FAMILY SYNBRANCHIDAE - SWAMP EELS
- Asian Swamp Eel (Monopterus albus) - most iNat observations in the US for Synbranchiformes - 2 (Everglades)
The order of Pompanos and Jacks. Barracudas, Snooks and other familes classified as Carangaria incertae sedis in NCBI are included here also since that's where they are in iNaturalist. Flounders and Soles are in the order Pleuronectiformes below.
As of 2024, 46 species of Carangiformes have been observed in iNaturalist in the US and 151 throughout the world.
- FAMILY CARANGIDAE - JACKS
- Florida Pompano (Trachinotus carolinus) - most iNat observations in the US for pure Carangiformes (see Barracuda below)
- Round Pompanos (Trachinotus blochii) - NOAH - 6 (Omaha Zoo)
- Horse-Eye Jack (Caranx latus) - 6 (Omaha Zoo)
- Crevalle Jack (Caranx) - 6 (Omaha Zoo)
- FAMILY CORYPHAENIDAE - DOLPHINFISHES
- Mahi-Mahi/Dolphinfish (Coryphaena hippurus)
- FAMILY ECHENEIDAE - REMORAS
- FAMILY NEMATISTIIDAE - ROOSTERFISH
- FAMILY RACHYCENTRIDAE - COBIA
CARANGARIA INCERTAE SEDIS
As of 2024, in the following families, 13 species have been observed in iNaturalist in the US and 61 throughout the world.
- FAMILY CENTROPOMIDAE
- Common Snook (Centropomus undecimalis) - 2 (Florida)
- FAMILY LACTARIIDAE
- FAMILY LEPTOBRAMIDAE
- FAMILY MENIDAE
- FAMILY POLYNEMIDAE
- FAMILY SPHYRAENIDAE
- Great Barracuda (Sphyraena barracuda) - most iNat observations in the US for Carangiformes (by iNaturalist's classification) - Florida, Hawaii
- FAMILY TOXOTIDAE
- Banded Archerfish (Toxotes jaculatrix) - 6 (Omaha Zoo)
The order of Flounders and Soles. As of 2024, 63 species of Pleuronectiformes have been observed in iNaturalist in the US and 286 throughout the world.
- SUBORDER PLEURONECTOIDEI
- FAMILY ACHIROPSETTIDAE
- FAMILY BOTHIDAE - LEFTEYE FLOUNDERS
- Peacock Flounder (Bothus mancus) - NOAH - Puerto Rico
- FAMILY CITHARIDAE - CITHARIDS
- FAMILY PARALICHTHYIDAE - LARGE-TOOTH FLOUNDERS
- Pacific Sanddab (Citharichthys sordidus) - 8 (Shedd)
- FAMILY PLEARONECTIDAE - RIGHTEYE FLOUNDERS
- FAMILY SCOPHTHALMIDAE
- Windowpane (Scophthalmus aquosus) - NOAH - Atlantic Coast
- SUBORDER PSETTODOIDEI
- FAMILY PSETTODIDAE - PSETTODIDS
- Spottedtail Turbot (Psettodes belcheri)
- SUBORDER SOLEOIDEI
- FAMILY ACHIRIDAE
- FAMILY CYNOGLOSSIDAE - TONGUEFISHES
- FAMILY SOLEIDAE - SOLES
- Sand Sole (Solea lascaris)
- FAMILY SAMARIDAE
- Three-Spot Righteye Flounder (Samariscus triocellatus)
- Cockatoo Flounder (Samaris cristatus)
The order Swordfishes, Sailfishes and Marlins. As of 2024, 5 species of Istiophoriformes have been observed in iNaturalist in the US and 10 throughout the world.
- FAMILY ISTIOPHORIDAE - BILLFISHES
- Sailfish (Istiophorus platypterus) - 2 (Florida Keys)
- Blue Marlin (Makaira nigricans) - 2 (Florida Keys)
- FAMILY XIPHIIDAE - SWORDFISHES
- Broadbill Swordfish (Xiphias gladius) - most iNat observations in the US for Istiophoriformes - 2 (Florida Keys)
The order of Gobies, Cardinalfishes and allies. As of 2024, 115 species of Gobiiformes have been observed in iNaturalist in the US and 1,240 throughout the world.
- SUBORDER ELEOTROIDEI
- FAMILY ELEOTRIDAE
- Fat Sleeper (Dormitator maculatus) - 2 (Green Swamp and nearby coast)
- FAMILY MILYERINGIDAE
- SUBORDER GOBIOIDEI
- FAMILY GOBIIDAE
- Round Goby (Neogobius melanostomus) - most iNat observations in the US for Gobiiformes - 8 (Great Lakes, Shedd)
- Blackeye Goby (Rhinogobiops nicholsii) - most native iNat observations in the US for Gobiiformes - 7 (Monterey Bay)
- Fire Goby (Nemateleotris magnifica) - 6 (KC Zoo)
- FAMILY KRAEMERIIDAE
- FAMILY ODONTOBUTIDAE
- FAMILY RHYACICHTHYIDAE
- FAMILY SCHINDLERIIDAE
- FAMILY THALASSELEOTRIDIDAE
- FAMILY XENISTHMIDAE
- SUBORDER TRICHONOTOIDEI
The order of Cardinalfishes and Nursery Fishes. As of 2024, 21 species of Kurtiformes have been observed in iNaturalist in the US and 201 throughout the world.
- SUBORDER APOGONOIDEI
- FAMILY APOGONIDAE
- Iridescent Cardinalfish (Pristiapogon kallopterus) - most iNat observations in the US for Kurtiformes - 12 (Hawaii)
- Flamefish (Apogon maculatus) - most iNat observations in the continental US for Kurtiformes - 2 (Florida Keys)
- Banggai Cardinalfish (Pterapogon kauderni) - 6 (KC Zoo)
- Pajama Cardinalfish (Sphaeramia nematoptera) - 6 (Omaha Zoo)
- SUBORDER KURTOIDEI
- FAMILY KURTIDAE
- Nurseryfish (Kurtus gulliveri)
The order of Cusk-Eels. As of 2024, 10 species of Ophidiiformes have been observed in iNaturalist in the US and 54 throughout the world.
- SUBORDER BYTHITOIDEI
- FAMILY BYTHITIDAE - VIVIPAROUS BROTULAS
- Gold Brotula (Gunterichthys longipenis) - (Florida Keys, Shedd Aquarium)
- SUBORDER OPHIDIOIDEI
- FAMILY CARAPIDAE
- Pearlfishes (Carapus spp.) - (Florida Keys)
- FAMILY OPHIDIIDAE
- Striped Cusk-Eel (Ophidion marginatum) - most iNat observations in the US for Ophidiiformes - 10 (Chesapeake & Delaware Bays, Assateague Island)
- Spotted Cusk-Eel (Chilara taylori) - 7 (Monterey Bay)
The order of Mackerels, Tunas, Butterflyfishes and allies. As of 2024, 35 species of Scombriformes have been observed in iNaturalist in the US and 139 throughout the world.
- FAMILY ARIOMMATIDAE
- FAMILY ARRIPIDAE
- FAMILY BRAMIDAE
- Pacific Pomfret (Brama japonica) - 11 (Glacier Bay)
- FAMILY CARISTIIDAE - MANEFISHES
- FAMILY CENTROLOPHIDAE
- FAMILY CHIASMODONTIDAE
- FAMILY GEMPYLIDAE - SNAKE MACKERELS
- FAMILY ICOSTEIDAE
- Ragfish (Icosteus aenigmaticus) - 11 (Glacier Bay)
- FAMILY NOMEIDAE
- Bluebottle Fish (Nomeus gronovii) - 2 (Florida Keys)
- FAMILY POMATOMIDAE - BLUEFISHES
- Bluefish (Pomatomus saltatrix) - most iNat observations in the US for Scombriformes - 10 (Chesapeake & Delaware Bays, Assateague Island)
- FAMILY SCOMBRIDAE - MACKERELS
- Atlantic Spanish Mackerel (Scomberomorus maculatus) - second-most iNat observations in the US for Scombriformes - 10 (Chesapeake Bay)
- Yellowfin Tuna (Thunnus albacares)
- Atlantic Bluefin Tuna (Thunnus thynnus)
- FAMILY SCOMBROLABRACIDAE
- Longfin Escolar (Scombrolabrax heterolepis)
- FAMILY SCOMBROPIDAE
- FAMILY STROMATEIDAE
- Butterfish (Peprilus triacanthus) - 10 (Chesapeake Bay)
- FAMILY TETRAGONURIDAE
- FAMILY TRICHIURIDAE - CUTLASSFISHES
- Largehead Hairtail (Trichiurus lepturus) - 10 (Chesapeake Bay)
|