HomeFish encyclopediaRay-finned fishesPerch-like fishBonnetmouthsBonnetmouth Bonnetmouth (Emmelichthyops atlanticus) Scientific name: Emmelichthyops atlanticus Schultz, 1945 The Bonnetmouth (Emmelichthyops atlanticus) is a marine fish of the family Inermiidae. Native range: Western Atlantic, southern Florida, USA and Bahamas to northern South America. BiologyDorsal spines: 10 - 11; Dorsal soft rays: 10-11; Anal spines: 2; Anal soft rays: 10. Dorsal fins widely separated.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEmmelichthyops atlanticusFamilyInermiidae (Bonnetmouths)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length13.0Depth range3–90 m (10–295 ft)EnvironmentMarine; reef-associated; oceanodromous; depth range 3 - 90 mClimateTropicalDistributionWestern Atlantic: southern Florida, USA and Bahamas to northern South America.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