HomeFish encyclopediaRay-finned fishesFlatfishesLarge-tooth floundersThree-spot flounder Three-spot flounder (Ancylopsetta dendritica) Scientific name: Ancylopsetta dendritica Gilbert, 1890 The Three-spot flounder (Ancylopsetta dendritica) is a marine fish of the family Paralichthyidae. Native range: Eastern Pacific, Gulf of California to Peru (04?56.5'S, 81?22.8'W). BiologyLives on muddy-sandy bottoms. Commonly caught with trawls in the Gulf of California.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAncylopsetta dendriticaFamilyParalichthyidae (Large-tooth flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length35.0Common length20.0Depth range18–100 m (59–328 ft)EnvironmentMarine; demersal; depth range 18 - 100 mClimateTropicalDistributionEastern Pacific: Gulf of California to Peru (04?56.5'S, 81?22.8'W).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