HomeFish encyclopediaRay-finned fishesPerch-like fishPerchesWatercress darter Watercress darter (Etheostoma nuchale) Scientific name: Etheostoma nuchale Howell & Caldwell, 1965 The Watercress darter (Etheostoma nuchale) is a freshwater fish of the family Percidae. Native range: North America, found only in springs on Halls and Village creeks (Black Warrior River system) in Jefferson County in Alabama, USA. Species factsScientific nameEtheostoma nuchaleFamilyPercidae (Perches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.4Common length3.6EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: found only in springs on Halls and Village creeks (Black Warrior River system) in Jefferson County in Alabama, USA.Conservation status (IUCN)Endangered (EN) (B1+2ce)Threat 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