HomeFish encyclopediaRay-finned fishesFlatfishesLarge-tooth floundersOval flounder Oval flounder (Syacium ovale) Scientific name: Syacium ovale G?nther, 1864 The Oval flounder (Syacium ovale) is a marine fish of the family Paralichthyidae. Native range: Eastern Pacific, Mexico to Peru. BiologyInhabits flat sand bottoms. Feeds on small fishes and crustaceans. Marketed fresh.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSyacium ovaleFamilyParalichthyidae (Large-tooth flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length23.0Depth range9–40 m (30–131 ft)EnvironmentMarine; demersal; depth range 9 - 40 mClimateTropicalDistributionEastern Pacific: Mexico 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