HomeFish encyclopediaRay-finned fishesSturgeons and PaddlefishesSturgeonsJapanese sturgeon Japanese sturgeon (Acipenser multiscutatus) Scientific name: Acipenser multiscutatus Tanaka, 1908 The Japanese sturgeon (Acipenser multiscutatus) is a freshwater fish of the family Acipenseridae. Native range: Temperate. BiologyNorthwest Pacific: Japan. Countries | FAO areas | Ecosystems | Occurrences | IntroductionsSource: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAcipenser multiscutatusFamilyAcipenseridae (Sturgeons)OrderAcipenseriformes (Sturgeons and Paddlefishes)ClassActinopterygii (Ray-finned fishes)EnvironmentMarine; freshwater; brackish; demersal; anadromousClimateTemperateDistributionTemperateConservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceVery 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