HomeFish encyclopediaRay-finned fishesSalmonsSalmonidsAmur grayling Amur grayling (Thymallus grubii grubii) Scientific name: Thymallus grubii grubii Dybowski, 1869 The Amur grayling (Thymallus grubii grubii) is a freshwater fish of the family Salmonidae. Native range: Europe and Asia, Amur drainage in Russia and China; Onon and Kherlen drainages in Mongolia. BiologyIn winter, adults are found in deep parts of mountain streams and in summer, they occur in clear streams flowing slowly with thick aquatic weeds. Feed on benthic organisms, and insects. Form schools during breeding in clear, fast-flowing streams. Edible fishSource: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameThymallus grubii grubiiFamilySalmonidae (Salmonids)OrderSalmoniformes (Salmons)ClassActinopterygii (Ray-finned fishes)Maximum length30.0EnvironmentFreshwater; benthopelagicClimateTemperateDistributionEurope and Asia: Amur drainage in Russia and China; Onon and Kherlen drainages in Mongolia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tm=4) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026