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Percina kathae.jpg
Mobile logperch, Percina kathae
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Percidae
Genus: Percina (partim)

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Logperches are a group of fish in the genus Percina of the family Percidae.

There are 11 species of logperch, native to eastern parts of the US and Canada. The fish inhabit clear, gravelly streams and lakes, reaching a maximum size of about 18 centimetres (7.1 in) and a maximum age of about 3 years. Percina caprodes is the most widespread of the species; some of the species with more restricted distribution are threatened in various ways. Due to their small size, the fish are not normally harvested for food. Habitat alteration and inappropriate land use practices are the most common population stressors.

The logperch is commonly found as a baby and around 6 to 9 centimetres (2.4 to 3.5 in) in length, it has features like small black dots on the surface, elongated front fins, and a long skinny body.