HomeFish encyclopediaRay-finned fishesPerch-like fishJawfishesMexican jawfish Mexican jawfish (Opistognathus mexicanus) Scientific name: Opistognathus mexicanus Allen & Robertson, 1991 The Mexican jawfish (Opistognathus mexicanus) is a marine fish of the family Opistognathidae. Native range: Eastern Central Pacific, Gulf of California. BiologyInhabits sand bottoms. Feeds on benthic and planktonic invertebrates. Minimum depth from.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOpistognathus mexicanusFamilyOpistognathidae (Jawfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0Depth range12–14 m (39–46 ft)EnvironmentMarine; demersal; depth range 12 - 14 mClimateTropicalDistributionEastern Central Pacific: Gulf of California.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026