HomeFish encyclopediaRay-finned fishesFlatfishesLarge-tooth floundersShelf flounder Shelf flounder (Etropus cyclosquamus) Scientific name: Etropus cyclosquamus Leslie & Stewart, 1986 The Shelf flounder (Etropus cyclosquamus) is a marine fish of the family Paralichthyidae. BiologyDorsal soft rays (total): 70-82; Anal soft rays: 54 - 64Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEtropus cyclosquamusFamilyParalichthyidae (Large-tooth flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length9.0Depth range31 m (102 ft)EnvironmentMarine; demersal; depth range 31 - 31 mClimateTemperateDistributionWestern Central Atlantic: north of Cape Hatteras, North Carolina, to about Palm Beach on east coast of Florida and in Gulf of Mexico from Fort Myers, Florida, to Mississippi; apparently rare or absent in southern Florida.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