HomeFish encyclopediaRay-finned fishesFlatfishesLarge-tooth floundersSummer flounder Summer flounder (Paralichthys dentatus) Scientific name: Paralichthys dentatus Linnaeus, 1766 The Summer flounder (Paralichthys dentatus) is a marine fish of the family Paralichthyidae. Native range: Northwest Atlantic, Maine (rarely Nova Scotia, Canada) to northern Florida, USA. BiologyAdults usually prefer hard sandy substrate where they can burrow; can exploit a broad range of lower and mid-estuary habitats including salt marsh creeks and seagrass beds, which usually have muddy or silty substrates, as well as sand flats. Occur in bays, lagoons and shallow coastal waters. Utilized fresh and frozen; can be steamed, fried, boiled, microwaved and baked. Exported fresh to Japan for sashimi.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParalichthys dentatusFamilyParalichthyidae (Large-tooth flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length94.0Depth range10–183 m (33–600 ft)EnvironmentMarine; demersal; oceanodromous; depth range 10 - 183 m, usually ? - 37 mClimateTemperateDistributionNorthwest Atlantic: Maine (rarely Nova Scotia, Canada) to northern Florida, USA.Conservation status (IUCN)Least Concern (LC)Threat to humansOtherUsesFisheries: commercial; gamefish: yesResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.77-0.84(?); assuming tm>=2) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026