HomeFish encyclopediaRay-finned fishesPerch-like fishSnake mackerelsAmerican sackfish American sackfish (Neoepinnula americana) Scientific name: Neoepinnula americana Grey, 1953 The American sackfish (Neoepinnula americana) is a marine fish of the family Gempylidae. Native range: Western Atlantic, known only from the Gulf of Mexico, Yucat?n Channel, Caribbean Sea off Venezuela, off Suriname, and off southern Brazil. BiologyDorsal spines (total): 27; Dorsal soft rays (total): 17-20; Anal spines: 3; Anal soft rays: 17 - 20. There are two lateral lines on the sides, both originating above the upper angle of the gill opening. Sometimes the lower lateral line branches off from the second or third tubular scale of the upper lateral line. The sides are silvery, the back brown; the first dorsal fin is blackish, the second dorsal fin black anteriorly; the buccal cavity is pale, and the branchial cavity pale to dusky.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNeoepinnula americanaFamilyGempylidae (Snake mackerels)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length22.0Depth range184–457 m (604–1499 ft)EnvironmentMarine; benthopelagic; depth range 184 - 457 mClimateDeep-waterDistributionWestern Atlantic: known only from the Gulf of Mexico, Yucat?n Channel, Caribbean Sea off Venezuela, off Suriname, and off southern Brazil.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