HomeFish encyclopediaRay-finned fishesCarpsRiver loachesSevertsov's loach Severtsov's loach (Triplophysa sewerzowi) Scientific name: Triplophysa sewerzowi Nikolskii, 1938 The Severtsov's loach (Triplophysa sewerzowi) is a freshwater fish of the family Balitoridae. Native range: Asia. Species factsScientific nameTriplophysa sewerzowiFamilyBalitoridae (River loaches)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length4.1EnvironmentFreshwater; benthopelagicClimateTemperateDistributionAsia.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