HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsStriped bitterling Striped bitterling (Acheilognathus cyanostigma) Scientific name: Acheilognathus cyanostigma Jordan & Fowler, 1903 The Striped bitterling (Acheilognathus cyanostigma) is a freshwater fish of the family Cyprinidae. Native range: Asia, Japan (Lake Biwa and Yogo). Species factsScientific nameAcheilognathus cyanostigmaFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length6.0EnvironmentFreshwater; benthopelagicClimateTemperateDistributionAsia: Japan (Lake Biwa and Yogo).Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026