HomeFish encyclopediaRay-finned fishesPerch-like fishJawfishesGalapagos jawfish Galapagos jawfish (Opistognathus galapagensis) Scientific name: Opistognathus galapagensis Allen & Robertson, 1991 The Galapagos jawfish (Opistognathus galapagensis) is a marine fish of the family Opistognathidae. Native range: Southeast Pacific, Galapagos Islands. BiologyInhabits sand-rubble bottoms. Feeds on benthic and planktonic invertebrates. Mouthbrooders.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOpistognathus galapagensisFamilyOpistognathidae (Jawfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length16.0Depth range10 m (33 ft)EnvironmentMarine; demersal; depth range 10 - 10 mClimateTropicalDistributionSoutheast Pacific: Galapagos Islands.Conservation status (IUCN)Least Concern (LC)Threat 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