This page shows Acanthomorpha's splits and focuses on the orders isolated by those splits. The first split is between the order Lampriformes and Euacanthomorpha. Euacanthomorpha splits into the order Polymixiiformes and Holacanthopterygii. Holacanthopterygii splits into Paracanthopterygii and Acanthopterygii. Paracanthopterygii has five orders, explored on this page, and Acanthopterygii will be explored on the following pages.
- Acanthomorphata
- Lampridacea
- Polymixiacea
- Polymixiiformes - Beardfishes, etc.
- Paracanthopterygii
- Percopsaria
- Percopsiformes - Pirate Perch, etc.
- Zeiogadaria
- Zeariae
- Gadariae
- Gadiformes - Cods, etc.
- Stylephoriformes - Tube-Eyes
- Euacanthomorphacea (next page)
The order of Opahs, Ribbonfishes and Velifers. As of 2024, 5 species of Lampriformes have been observed in iNaturalist in the US and 18 throughout the world.
- FAMILY LAMPRIDAE - OPAHS
- Smalleye Pacific Opah (Lampris incognitus) - 7 (Monterey Bay)
- FAMILY LOPHOTIDAE
- FAMILY REGALECIDAE
- Oarfishes (Regalecus spp.)
- FAMILY TRACHIPTERIDAE - RIBBONFISHES
- King-of-the-Salmon (Trachipterus altivelis) - most iNat observations in the US for Lampriformes - 5 (Olympic NP), 7 (Monterey Bay)
- FAMILY VELIFERIDAE
The order of Beardfishes contains a single family. As of 2024, 0 species of Polymixiiformes have been observed in iNaturalist in the US and 2 throughout the world.
- FAMILY POLYMIXIIDAE
- Beardfishes (Polymixia) - 2 (Florida Keys), 12 (Hawaii)
The order of Trout-Perches, Pirate Perches and Cavefishes. As of 2024, 15 species of Percopsiformes have been observed in iNaturalist in the US. Those same 15 species are the only species observed throughout the world. The order Percopsiformes is endemic to North America.
- SUBORDER APHREDODEROIDEI
- FAMILY AMBLYOPSIDAE - CAVEFISHES
- Karst Cavefish (Forbesichthys papilliferus) - most iNat observations in the US for Percopsiformes - Cape Girardeau, MO to Nashville, TN
- Swampfish (Chologaster cornuta) - Trip 2 area
- FAMILY APHREDODERIDAE
- Western Pirate Perch (Aphredoderus gibbosus) - most iNat observations in the US for Percopsiformes
- SUBORDER PERCOPSOIDEI
- FAMILY PERCOPSIDAE
- Troutperch (Percopsis omiscomaycus) - 8 (Great Lakes, Boundary Waters), 3 (ECHO/Leahy Center for Lake Champlain)
The order of Dories. As of 2024, 2 species of Zeiformes have been observed in iNaturalist in the US and 16 throughout the world.
- FAMILY GRAMMICOLEPIDIDAE
- Spotted Tinselfish (Xenolepidichthys dalgleishi) - 3 (Gulf of Maine)
- FAMILY MACRUROCYTTIDAE
- Japanese Zenion (Zenion japonicum)
- FAMILY OREOSOMATIDAE
- Oxeye Oreo (Allocyttus folletti) - 5 (Oregon Coast)
- FAMILY PARAZENIDAE
- Parazen (Parazen pacificus)
- FAMILY ZEIDAE
- American John Dory (Zenopsis conchifer) - most iNat observations in the US for Zeiformes - 3 (Gulf of Maine)
- John Dory (Zeus faber) - most iNat observations in the US for Zeiformes - Europe, Africa, SE Asia, Australia and New Zealand
The order of Cods and Hakes. As of 2024, 20 species of Gadiformes have been observed in iNaturalist in the US and 115 throughout the world.
- SUBORDER GADOIDEI - 9 Families
- FAMILY GADIDAE - CODS
- Atlantic Cod (Gadus morhua) - 3 (Gulf of Maine)
- Pacific Tomcod (Microgadus proximus) - 8 (Shedd)
- Pollack (Pollachius virens) - 3 (Gulf of Maine)
- FAMILY LOTIDAE - CUSKFISHES
- Burbot (Lota lota) - most iNat observations in the US for Gadiformes - 8 (Great Lakes, Boundary Waters, Shedd)
- SUBORDER MACROUROIDEI - 2 Families
- FAMILY MACROURIDAE - GRENADIERS
- California Grenadier (Nezumia stelgidolepis) - 7 (Los Angeles)
- SUBORDER MURAENOLEPIDOIDEI - 1 Family
The order of Tube-Eyes. As of 2024, no species of Stylephoriformes have been observed in iNaturalist worldwide. The only species in the NCBI database for Stylephoriformes is Stylephorus chordatus.
- FAMILY STYLEPHORIDAE
- Tube-Eye (Stylephorus chordatus)
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