HomeFish encyclopediaRay-finned fishesFlatfishesLarge-tooth floundersCyclope flounder Cyclope flounder (Ancylopsetta cycloidea) Scientific name: Ancylopsetta cycloidea Tyler, 1959 The Cyclope flounder (Ancylopsetta cycloidea) is a marine fish of the family Paralichthyidae. Native range: Western Central Atlantic, northern coast of South America. BiologyInhabits soft bottoms of the continental shelf. Marketed fresh.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAncylopsetta cycloideaFamilyParalichthyidae (Large-tooth flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length25.0Common length20.0Depth range70–260 m (230–853 ft)EnvironmentMarine; demersal; depth range 70 - 260 mClimateTropicalDistributionWestern Central Atlantic: northern coast of South America.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, 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