HomeFish encyclopediaRay-finned fishesFlatfishesLarge-tooth floundersAmerican fourspot flounder American fourspot flounder (Hippoglossina oblonga) Scientific name: Hippoglossina oblonga Mitchill, 1815 The American fourspot flounder (Hippoglossina oblonga) is a marine fish of the family Paralichthyidae. Native range: Western Atlantic, Canada and Georges Bank to southern Florida, USA. BiologyOccurs in bays and sounds in the north range; in progressively deeper water to 275 m or more off Florida, USA.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHippoglossina oblongaFamilyParalichthyidae (Large-tooth flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length41.0Depth range311 m (1020 ft)EnvironmentMarine; demersal; depth range ? - 311 mClimateTemperateDistributionWestern Atlantic: Canada and Georges Bank to southern Florida, USA.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