HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsJapanese (white) crucian carp Japanese (white) crucian carp (Carassius cuvieri) Scientific name: Carassius cuvieri Temminck & Schlegel, 1846 The Japanese (white) crucian carp (Carassius cuvieri) is a freshwater fish of the family Cyprinidae. Native range: Asia, Japan and Taiwan. Species factsScientific nameCarassius cuvieriFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length35.0EnvironmentFreshwater; demersalClimateTemperateDistributionAsia: Japan and Taiwan.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquaculture: commercialResilienceMedium, 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