Percina kathae
| Mobile logperch | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Perciformes |
| Family: | Percidae |
| Genus: | Percina |
| Species: | P. kathae |
| Binomial name | |
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Percina kathae Thompson, 1997 |
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The Mobile logperch (Percina kathae) is a freshwater fish in the perch family found in the Mobile River basin in Mississippi, Alabama, Tennessee, and Georgia in the southeastern United States. It inhabits clear shallow water and is often associated with Podostemum (riverweed). It grows to about 18 cm (7 in) and is distinguishable from other darters by the distinctive shape of its head and by its pale-yellow base color, with narrow bars on back and sides. It feeds on small invertebrates and breeds between February and May. Lake fish move into small streams to spawn. It is a common fish with a wide range and the International Union for Conservation of Nature has classified its conservation status as being of "least concern".
Logperches are easily distinguished from most other darters by their tiger-like coloration. They also have distinctive head and snout shapes. Logperches are a pale-yellow base color, with narrow bars on the side and back. Logperches reach a maximum size of about 18 cm (7 in) and a maximum age of about four years.
Mobile logperches live primarily in the Southeastern U.S. They are endemic to all river systems of the Mobile River basin in Mississippi, Alabama, Tennessee, and Georgia. They are particularly widespread in the upper Cahaba and Coosa River systems. Populations of the Mobile logperch and gulf logperch (Percina suttkusi) occur together at certain locations in the Alabama, Black Warrior, and upper and lower Tombigbee River systems. Studies have been conducted in the Conasauga River (Georgia and Tennessee);Luxapallila Creek, Mississippi; and the Neosho River in Kansas.
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