HomeFish encyclopediaRay-finned fishesPerch-like fishLabrisomidsDiamond blenny Diamond blenny (Malacoctenus boehlkei) Scientific name: Malacoctenus boehlkei Springer, 1959 The Diamond blenny (Malacoctenus boehlkei) is a marine fish of the family Labrisomidae. Native range: Western Central Atlantic, Bahamas and Virgin Islands south to Bonaire and west to Belize. BiologyDorsal spines (total): 21 - 22; Dorsal soft rays (total): 11-13; Anal spines: 2; Anal soft rays: 20 - 23. Upper side has series of dark blotches; lower side has series of diamond-shaped markings. Males light brown, finely spotted with white, with an upper row of seven irregular dark-edged brown blotches and a lower row of ten smaller brown blotches of irregular diamond shape with pale centers; females have brownish orange blotches instead of dark brown.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMalacoctenus boehlkeiFamilyLabrisomidae (Labrisomids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.4Depth range5–70 m (16–230 ft)EnvironmentMarine; reef-associated; depth range 5 - 70 mClimateTropicalDistributionWestern Central Atlantic: Bahamas and Virgin Islands south to Bonaire and west to Belize.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