HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsUmatilla dace Umatilla dace (Rhinichthys umatilla) Scientific name: Rhinichthys umatilla Gilbert & Evermann, 1894 The Umatilla dace (Rhinichthys umatilla) is a freshwater fish of the family Cyprinidae. Native range: North America, Columbia River drainage in British Columbia (Canada), Idaho, Washington and Oregon, USA. BiologyInhabits rubble riffles and runs of large rivers.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameRhinichthys umatillaFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length12.0EnvironmentFreshwater; demersalClimateTemperateDistributionNorth America: Columbia River drainage in British Columbia (Canada), Idaho, Washington and Oregon, 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