HomeFish encyclopediaRay-finned fishesPerch-like fishPerchesChickasaw darter Chickasaw darter (Etheostoma cervus) Scientific name: Etheostoma cervus Powers & Mayden, 2003 The Chickasaw darter (Etheostoma cervus) is a freshwater fish of the family Percidae. Native range: North America, restricted to Forked Deer River system in western Tennessee, USA. Species factsScientific nameEtheostoma cervusFamilyPercidae (Perches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.2EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: restricted to Forked Deer River system in western Tennessee, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026