HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsKorean bittering Korean bittering (Acheilognathus signifer) Scientific name: Acheilognathus signifer Berg, 1907 The Korean bittering (Acheilognathus signifer) is a freshwater fish of the family Cyprinidae. Native range: Asia, Korea. Species factsScientific nameAcheilognathus signiferFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)EnvironmentFreshwater; benthopelagicClimateTemperateDistributionAsia: Korea.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