Boschung, Herbert T. Department of Biological Sciences, University of Alabama, Tuscaloosa, Alabama.
Last reviewed:August 2019
- Percopsidae (trout-perches)
- Aphredoderidae (pirate perch)
- Amblyopsidae (cavefishes)
- Related Primary Literature
- Additional Reading
An order of the Paracanthopterygii, a fish superorder of questionable monophyly. Percopsiforms are identifiable by the following combination of characters: nonprotractile premaxilla; tooth-bearing ectopterygoid and palatine bones; absence of a suborbital shelf, orbitosphenoid, and basisphenoid bones; weak spines usually present in the dorsal fin; and pelvic fins, if present, behind the pectoral fins. There are three families, seven genera, and nine species, all confined to freshwaters of North America.
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