Percichthys is a genus of temperate perches native to freshwater habitats in Argentina and Chile.
The earliest fossil member of the genus is Percichthys hondoensis from the early Eocene of Argentina.
Species The currently recognized species in this genus are: Percichthys chilensis Girard, 1855 Percichthys colhuapiensis MacDonagh, 1955 (largemouth perch) Percichthys laevis (Jenyns, 1840) Percichthys melanops Girard, 1855 Percichthys trucha (Valenciennes, 1833) (creole perch)
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