HomeFish encyclopediaRay-finned fishesCusk eelsCusk-eelsDusky cusk eel Dusky cusk eel (Lepophidium aporrhox) Scientific name: Lepophidium aporrhox Robins, 1961 The Dusky cusk eel (Lepophidium aporrhox) is a marine fish of the family Ophidiidae. Native range: Western Central Atlantic, Honduras to Suriname. Northern South America. BiologyRostral spine long and curved, reaching tip of snout, without vertical basal component; peritoneum pale; no median basibranchial tooth patch; head extensively covered with imbricate rows of cycloid scales except for snout and throat; body tapering to point, dagger-shaped.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLepophidium aporrhoxFamilyOphidiidae (Cusk-eels)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length16.0Common length14.0Depth range50–125 m (164–410 ft)EnvironmentMarine; demersal; depth range 50 - 125 mClimateTropicalDistributionWestern Central Atlantic: Honduras to Suriname. Northern South America.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