HomeFish encyclopediaRay-finned fishesSalmonsSalmonidsPowan Powan (Coregonus clupeoides) Scientific name: Coregonus clupeoides Lacep?de, 1803 The Powan (Coregonus clupeoides) is a freshwater fish of the family Salmonidae. Native range: Europe, Loch Lomond and Loch Eck; introduced in two reservoirs in Loch Lomond basin (Loch Sloy, Carron Reservoir). BiologyLacustrine, in open water. Feeds on crustaceans and insects.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCoregonus clupeoidesFamilySalmonidae (Salmonids)OrderSalmoniformes (Salmons)ClassActinopterygii (Ray-finned fishes)Maximum length38.0EnvironmentFreshwater; benthopelagicClimateTemperateDistributionEurope: Loch Lomond and Loch Eck; introduced in two reservoirs in Loch Lomond basin (Loch Sloy, Carron Reservoir).Conservation status (IUCN)Vulnerable (VU) (D2)Threat to humansHarmlessUsesFisheries:ResilienceMedium, minimum population doubling time 1.4 - 4.4 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