HomeFish encyclopediaRay-finned fishesPerch-like fishPike-, tube- and flagblenniesFlagfin blenny Flagfin blenny (Emblemariopsis occidentalis) Scientific name: Emblemariopsis occidentalis Stephens, 1970 The Flagfin blenny (Emblemariopsis occidentalis) is a marine fish of the family Chaenopsidae. Native range: Western Atlantic, Bahamas and the Lesser Antilles. Reported from Rio de Janeiro, Brazil. Species factsScientific nameEmblemariopsis occidentalisFamilyChaenopsidae (Pike-, tube- and flagblennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length1.9EnvironmentMarine; demersalClimateTropicalDistributionWestern Atlantic: Bahamas and the Lesser Antilles. Reported from Rio de Janeiro, Brazil.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