HomeFish encyclopediaRay-finned fishesSturgeons and PaddlefishesSturgeonsYangtze sturgeon Yangtze sturgeon (Acipenser dabryanus) Scientific name: Acipenser dabryanus Dum?ril, 1869 The Yangtze sturgeon (Acipenser dabryanus) is a freshwater fish of the family Acipenseridae. Native range: Asia, China in Yangtze River system and Korea. Endangered, close to extinction. International trade restricted. BiologyDorsal spines: 0; Dorsal soft rays: 40-49; Anal spines: 0; Anal soft rays: 27 - 30. Snout short and pointed; lips with small papilla; barbels 2 pairs and situated in belly of snout; body covered with 5 rows of ganoid scales and skin between scales rough.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAcipenser dabryanusFamilyAcipenseridae (Sturgeons)OrderAcipenseriformes (Sturgeons and Paddlefishes)ClassActinopterygii (Ray-finned fishes)Maximum length250Common length31.8EnvironmentFreshwater; demersal; anadromousClimateTemperateDistributionAsia: China in Yangtze River system and Korea. Endangered, close to extinction. International trade restricted.Conservation status (IUCN)Critically Endangered (CR)(A2bcd)Threat to humansHarmlessUsesFisheries: commercialResilienceVery 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