Percichthys is a genus of native to freshwater habitats in Argentina and Chile.[
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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:
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Percichthys chilensis Girard, 1855
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Percichthys colhuapiensis MacDonagh, 1955 (largemouth perch)
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Percichthys laevis (Jenyns, 1840)
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Percichthys melanops Girard, 1855
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Percichthys trucha (Valenciennes, 1833) (creole perch)