HomeFish encyclopediaRay-finned fishesPerch-like fishLabrisomidsDusky blenny Dusky blenny (Malacoctenus gilli) Scientific name: Malacoctenus gilli Steindachner, 1867 The Dusky blenny (Malacoctenus gilli) is a marine fish of the family Labrisomidae. Native range: Western Atlantic, Bahamas to Cuba, south through the Antilles to Cura?ao, and through the Caribbean Islands to the central American coast. BiologyDorsal spines (total): 19 - 20; Dorsal soft rays (total): 9-11; Anal spines: 2; Anal soft rays: 19 - 20Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMalacoctenus gilliFamilyLabrisomidae (Labrisomids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length7.6Depth range1–5 m (3–16 ft)EnvironmentMarine; reef-associated; depth range 1 - 5 mClimateTropicalDistributionWestern Atlantic: Bahamas to Cuba, south through the Antilles to Cura?ao, and through the Caribbean Islands to the central American coast.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