HomeFish encyclopediaRay-finned fishesCusk eelsCusk-eelsBlack cusk-eel Black cusk-eel (Genypterus maculatus) Scientific name: Genypterus maculatus Tschudi, 1846 The Black cusk-eel (Genypterus maculatus) is a marine fish of the family Ophidiidae. Native range: Southeast Pacific, Peru to northern Chile. BiologyCommon species found in rocky shelf and upper slope waters. Oviparous, with oval pelagic eggs floating in a gelatinous mass.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGenypterus maculatusFamilyOphidiidae (Cusk-eels)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length100.0Common length50.0EnvironmentMarine; demersalClimateTropicalDistributionSoutheast Pacific: Peru to northern Chile.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tm SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026