HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsKhanka gudgeon Khanka gudgeon (Squalidus chankaensis chankaensis) Scientific name: Squalidus chankaensis chankaensis Dybowski, 1872 The Khanka gudgeon (Squalidus chankaensis chankaensis) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 14–22°C (57–72°F). Native range: Europe and Asia, Amur basin in Russia and China; and Mongolia. Khanka gudgeon care at a glanceTemperature14–22°C (57–72°F) Species factsScientific nameSqualidus chankaensis chankaensisFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length10.3EnvironmentFreshwater;; pH range: 7.0 - ?; dH range: 20 - ? benthopelagicClimateTemperateDistributionEurope and Asia: Amur basin in Russia and China; and Mongolia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, 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