HomeFish encyclopediaRay-finned fishesCarpsSuckersTahoe sucker Tahoe sucker (Catostomus tahoensis) Scientific name: Catostomus tahoensis Gill & Jordan, 1878 The Tahoe sucker (Catostomus tahoensis) is a freshwater fish of the family Catostomidae. BiologyOccurs in various habitats but most common in large lakes such as Lake Tahoe and Pyramid Lake in Nevada, USA. Also found in pools along lower reaches of streams.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCatostomus tahoensisFamilyCatostomidae (Suckers)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length61.0Common length27.5EnvironmentFreshwater; demersalClimateTemperateDistributionNorth America: Lahontan basin in southeastern Oregon, Nevada and northeastern California, USA. Recently established naturally or through introduction into upper Sacramento River system in California.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 years (tmax=15) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026