HomeFish encyclopediaRay-finned fishesCarpsSuckersOwens sucker Owens sucker (Catostomus fumeiventris) Scientific name: Catostomus fumeiventris Miller, 1973 The Owens sucker (Catostomus fumeiventris) is a freshwater fish of the family Catostomidae. Native range: North America, Owens River drainage in California, USA. Introduced to June Lake and Santa Clara River system in California. BiologyInhabits silty to rocky pools and runs of creeks.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCatostomus fumeiventrisFamilyCatostomidae (Suckers)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length50.0Common length30.9EnvironmentFreshwater; demersalClimateTemperateDistributionNorth America: Owens River drainage in California, USA. Introduced to June Lake and Santa Clara River system in California.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 years (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