HomeFish encyclopediaRay-finned fishesPerch-like fishLabrisomidsMasquerader hairy blenny Masquerader hairy blenny (Labrisomus conditus) Scientific name: Labrisomus conditus Sazima, Carvalho-Filho, Gasparini & Sazima, 2009 The Masquerader hairy blenny (Labrisomus conditus) is a marine fish of the family Labrisomidae. BiologyDorsal spines (total): 18; Dorsal soft rays (total): 12; Anal spines: 2; Anal soft rays: 17 - 18. Labrisomus conditus sp. n. differs from its Western Atlantic congeners (Springer 1959a, Sazima et al. 2002) by the following combination of characters: nuchal cirri when depressed not reaching dorsal-fin origin, 68 to 73 lateral line scales, first and second dorsal-fin spines slightly shorter than third spine and not flexible, numerous pale dots overall (light blue in life), opercular dark spot with incomplete and diffuse broad pale margin (orange in life). Body entirely scaly except for interpelvic space, pectoral axilla, head and opercle; scales present oncaudal and pectoral-fin bases, basal portion of whole dorsal-fin and anal-fin membranes. Numerous branched canals and pores on head, one branch from pre-opercular series extending onto upper opercle. A single well-developed row of conical slightly recurved teeth on each jaw, and an inner closeset patch ofSource: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLabrisomus conditusFamilyLabrisomidae (Labrisomids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length13.4EnvironmentMarine; benthopelagicClimateTropicalDistributionAtlantic Ocean: known from Fernando de Noronha Archipelago, a volcanic formation off NE Brazil and reported in Florida, USA (Benjamin Victor, pers.comm. 12/09)..Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026