HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsAltai osman Altai osman (Oreoleuciscus potanini) Scientific name: Oreoleuciscus potanini Kessler, 1879 The Altai osman (Oreoleuciscus potanini) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 10–20°C (50–68°F). Native range: Asia, Mongolia. Former USSR: Russia. Altai osman care at a glanceTemperature10–20°C (50–68°F) Species factsScientific nameOreoleuciscus potaniniFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length100.0Common length75.0EnvironmentFreshwater; demersalClimateTemperateDistributionAsia: Mongolia. Former USSR: Russia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceVery Low, minimum population doubling time more than 14 years (tm=5-15; tmax=40) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026