HomeFish encyclopediaRay-finned fishesCusk eelsViviparous brotulasLongarm brotula Longarm brotula (Calamopteryx goslinei) Scientific name: Calamopteryx goslinei B?hlke & Cohen, 1966 The Longarm brotula (Calamopteryx goslinei) is a marine fish of the family Bythitidae. Native range: Western Central Atlantic, Bahamas, Grand Cayman Island and Dominica. Antilles. BiologyUncommon species. Inhabits coral reefs and is a live-bearing species. Minimum depth reported taken from.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCalamopteryx goslineiFamilyBythitidae (Viviparous brotulas)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length6.4Depth range9–55 m (30–180 ft)EnvironmentMarine; reef-associated; depth range 9 - 55 mClimateTropicalDistributionWestern Central Atlantic: Bahamas, Grand Cayman Island and Dominica. Antilles.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceLow, minimum population doubling time 4.5 - 14 years (Assuming Fec SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026