HomeFish encyclopediaRay-finned fishesSalmonsSalmonidsLena tugun Lena tugun (Coregonus tugun lenensis) Scientific name: Coregonus tugun lenensis Berg, 1932 The Lena tugun (Coregonus tugun lenensis) is a freshwater fish of the family Salmonidae. Native range: Former USSR, Lena River Basin. Species factsScientific nameCoregonus tugun lenensisFamilySalmonidae (Salmonids)OrderSalmoniformes (Salmons)ClassActinopterygii (Ray-finned fishes)Maximum length15.9EnvironmentFreshwater; demersalClimateTemperateDistributionFormer USSR: Lena River Basin.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