HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsRedfin Redfin (Pseudaspius leptocephalus) Scientific name: Pseudaspius leptocephalus Pallas, 1776 The Redfin (Pseudaspius leptocephalus) is a freshwater fish of the family Cyprinidae. Native range: Europe and Asia, Amur drainage, Sakhalin Island and Mongolia. BiologySpawning in middle of June, fecundity 36,000 eggs. Prefers the main channel of rivers. Feeds on small fish such as gudgeons and minnows.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudaspius leptocephalusFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length68.0Common length42.0EnvironmentFreshwater; benthopelagicClimateTemperateDistributionEurope and Asia: Amur drainage, Sakhalin Island and Mongolia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries:ResilienceVery Low, minimum population doubling time more than 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