HomeFish encyclopediaRay-finned fishesCatfishBagrid catfishesHerzenstein's catfish Herzenstein's catfish (Tachysurus herzensteini) Scientific name: Tachysurus herzensteini Berg, 1907 The Herzenstein's catfish (Tachysurus herzensteini) is a freshwater fish of the family Bagridae. Native range: Asia, Amur River basin. Species factsScientific nameTachysurus herzensteiniFamilyBagridae (Bagrid catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length45.0EnvironmentFreshwater; demersal; non-migratoryClimateTemperateDistributionAsia: Amur River basin.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, 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