HomeFish encyclopediaRay-finned fishesFlatfishesLefteye floundersAmerican spiny flounder American spiny flounder (Engyophrys senta) Scientific name: Engyophrys senta Ginsburg, 1933 The American spiny flounder (Engyophrys senta) is a marine fish of the family Bothidae. Native range: Western Atlantic, Canada to southern Florida, USA and northern Gulf of Mexico to Brazil. Species factsScientific nameEngyophrys sentaFamilyBothidae (Lefteye flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length10.0Depth range35–180 m (115–591 ft)EnvironmentMarine; demersal; depth range 35 - 180 mClimateTropicalDistributionWestern Atlantic: Canada to southern Florida, USA and northern Gulf of Mexico to Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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