HomeFish encyclopediaRay-finned fishesFlatfishesLarge-tooth floundersToothed flounder Toothed flounder (Cyclopsetta querna) Scientific name: Cyclopsetta querna Jordan & Bollman, 1890 The Toothed flounder (Cyclopsetta querna) is a brackish-water fish of the family Paralichthyidae. Native range: Eastern Pacific, Gulf of California to Peru. BiologyInhabits soft bottoms, from within the vicinity of mangrove areas up to a depth of 29 m. Feeds on large benthic invertebrates and small fishes. Utilized fresh.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCyclopsetta quernaFamilyParalichthyidae (Large-tooth flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length39.0Common length25.0Depth range0–30 m (0–98 ft)EnvironmentMarine; brackish; demersal; depth range 0 - 30 mClimateTropicalDistributionEastern Pacific: Gulf of California to Peru.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