HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsAmur longnose gudgeon Amur longnose gudgeon (Microphysogobio amurensis) Scientific name: Microphysogobio amurensis Taranetz, 1937 The Amur longnose gudgeon (Microphysogobio amurensis) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 14–22°C (57–72°F). Native range: Asia, Middle and lower Amur River and Khanka Lake. Amur longnose gudgeon care at a glanceTemperature14–22°C (57–72°F) Species factsScientific nameMicrophysogobio amurensisFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length11.5Common length8.0EnvironmentFreshwater;; pH range: 7.0 - ?; dH range: 20 - ? benthopelagicClimateTemperateDistributionAsia: Middle and lower Amur River and Khanka Lake.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