HomeFish encyclopediaRay-finned fishesSturgeons and PaddlefishesSturgeonsGulf sturgeon Gulf sturgeon (Acipenser oxyrinchus desotoi) Scientific name: Acipenser oxyrinchus desotoi Vladykov, 1955 The Gulf sturgeon (Acipenser oxyrinchus desotoi) is a freshwater fish of the family Acipenseridae. BiologyScutes squarish, length much shorter than width, carina (keel) with two strong hooks. Spleen longer.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAcipenser oxyrinchus desotoiFamilyAcipenseridae (Sturgeons)OrderAcipenseriformes (Sturgeons and Paddlefishes)ClassActinopterygii (Ray-finned fishes)EnvironmentMarine; freshwater; brackish; demersal; anadromousClimateSubtropicalDistributionWestern Central Atlantic: Gulf of Mexico from Tampa Bay, Florida to Lake Pontchartrain, Louisiana, USA. International trade restricted (CITES Appendix II, since 28.6.79).Threat 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