HomeFish encyclopediaRay-finned fishesPerch-like fishPerchesChihuahua darter Chihuahua darter (Etheostoma pottsii) Scientific name: Etheostoma pottsii Girard, 1859 The Chihuahua darter (Etheostoma pottsii) is a freshwater fish of the family Percidae. Native range: Central America, Mexico. BiologyThe only darter to occur naturally in the Pacific drainage.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEtheostoma pottsiiFamilyPercidae (Perches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.5EnvironmentFreshwater; benthopelagicClimateTropicalDistributionCentral America: Mexico.Conservation status (IUCN)Vulnerable (VU) (A1ace+2ce, B1+2c)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