HomeFish encyclopediaRay-finned fishesFlatfishesLarge-tooth floundersThree-eye flounder Three-eye flounder (Ancylopsetta dilecta) Scientific name: Ancylopsetta dilecta Goode & Bean, 1883 The Three-eye flounder (Ancylopsetta dilecta) is a marine fish of the family Paralichthyidae. Native range: Western Atlantic, North Carolina to Florida and northern Gulf of Mexico in USA to Yucatan in Mexico; reported to extend to Suriname. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 66-67; Anal spines: 0; Anal soft rays: 49 - 50Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAncylopsetta dilectaFamilyParalichthyidae (Large-tooth flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length25.0Depth range137 m (449 ft)EnvironmentMarine; demersal; depth range ? - 137 mClimateSubtropicalDistributionWestern Atlantic: North Carolina to Florida and northern Gulf of Mexico in USA to Yucatan in Mexico; reported to extend to Suriname.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