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Percopsidae
Percopsis omiscomaycus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Percopsiformes
Family:	Percopsidae Agassiz, 1850
Genera
†Amphiplaga Cope, 1877 †Erismatopterus Cope, 1870 †Libotonius Wilson, 1978 †Lindoeichthys Murry et al., 2020 †Massamorichthys Murray, 1996 Percopsis Agassiz, 1849
Synonyms
Libotoniidae Grande, 1988

Percopsidae is a family of fish in the order Percopsiformes, with one extant genus with two species, both endemic to North America, and five described fossil genera.

They are small fish with weak fin spines, and an adipose fin similar to those of trout. They feed on insects and small crustaceans.

References

1. Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016). Fishes of the World (5th ed.). John Wiley & Sons. ISBN 9781118342336.
2. van der Laan, Richard (2016). "Family-group names of fossil fishes". {{cite journal}}: Cite journal requires |journal= (help)
3. Murray, A.M.; Brinkman, D.B.; Newbrey, M.G.; Neuman, A.G. (2020). "Earliest North American articulated freshwater acanthomorph fish (Teleostei: Percopsiformes) from Upper Cretaceous deposits of Alberta, Canada". Geological Magazine. 157 (7): 1087–1096. Bibcode:2020GeoM..157.1087M. doi:10.1017/S0016756819001328.
4. Froese, Rainer; Pauly, Daniel (eds.). "Family Percopsidae". FishBase. April 2012 version.
5. Cohen, Daniel M. (1998). Paxton, J.R.; Eschmeyer, W.N. (eds.). Encyclopedia of Fishes. San Diego: Academic Press. p. 129. ISBN 0-12-547665-5.

• Trout-perch article by Robert G. Bramblett
• Species summary Percopsis transmontana sand roller
• Pictures - University of Michigan

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