HomeFish encyclopediaRay-finned fishesPerch-like fishPike-, tube- and flagblenniesNaked blenny Naked blenny (Stathmonotus gymnodermis) Scientific name: Stathmonotus gymnodermis Springer, 1955 The Naked blenny (Stathmonotus gymnodermis) is a marine fish of the family Chaenopsidae. Native range: Western Atlantic, Bahamas and Puerto Rico to the northern coast of South America. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 43-45; Anal spines: 2; Anal soft rays: 22 - 24Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameStathmonotus gymnodermisFamilyChaenopsidae (Pike-, tube- and flagblennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.0Depth range5 m (16 ft)EnvironmentMarine; reef-associated; depth range ? - 5 mClimateTropicalDistributionWestern Atlantic: Bahamas and Puerto Rico to the northern coast of 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