HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsSmallscale yellowfin Smallscale yellowfin (Plagiognathops microlepis) Scientific name: Plagiognathops microlepis Bleeker, 1871 The Smallscale yellowfin (Plagiognathops microlepis) is a freshwater fish of the family Cyprinidae. Native range: Asia, Yangtze River, Amur basin, Ussuri River, Lake Khanka. Species factsScientific namePlagiognathops microlepisFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length70.0Common length67.5EnvironmentFreshwater; benthopelagicClimateTemperateDistributionAsia: Yangtze River, Amur basin, Ussuri River, Lake Khanka.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 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