HomeFish encyclopediaRay-finned fishesFlatfishesLarge-tooth floundersBigmouth flounder Bigmouth flounder (Hippoglossina stomata) Scientific name: Hippoglossina stomata Eigenmann & Eigenmann, 1890 The Bigmouth flounder (Hippoglossina stomata) is a marine fish of the family Paralichthyidae. Native range: Eastern Pacific, Monterey Bay in California, USA to the Gulf of California. BiologyUtilized fresh and is said to be an excellent foodfish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHippoglossina stomataFamilyParalichthyidae (Large-tooth flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length40.0Common length35.0Depth range30–137 m (98–449 ft)EnvironmentMarine; demersal; depth range 30 - 137 mClimateSubtropicalDistributionEastern Pacific: Monterey Bay in California, USA to the Gulf of California.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: subsistence fisheriesResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tm=3; K=0.17) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026