HomeFish encyclopediaRay-finned fishesPerch-like fishThreefin blenniesBlackedge triplefin Blackedge triplefin (Enneanectes atrorus) Scientific name: Enneanectes atrorus Rosenblatt, 1960 The Blackedge triplefin (Enneanectes atrorus) is a marine fish of the family Tripterygiidae. Native range: Western Atlantic, Cuba and the Bahamas. BiologyInhabits patch reefs surrounded by white sand bottom.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEnneanectes atrorusFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length3.3Depth range15 m (49 ft)EnvironmentMarine; reef-associated; depth range 15 - 15 mClimateTropicalDistributionWestern Atlantic: Cuba and the Bahamas.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026