HomeFish encyclopediaRay-finned fishesLightfishes and DragonfishesMarine hatchetfishesHatchetfish Hatchetfish (Argyropelecus gigas) Scientific name: Argyropelecus gigas Norman, 1930 The Hatchetfish (Argyropelecus gigas) is a marine fish of the family Sternoptychidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 9-10; Anal spines: 0; Anal soft rays: 12 - 13. Dorsal blade present and well developed in front of dorsal fin. Deep body.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameArgyropelecus gigasFamilySternoptychidae (Marine hatchetfishes)OrderStomiiformes (Lightfishes and Dragonfishes)ClassActinopterygii (Ray-finned fishes)Maximum length12.0Depth range300–1000 m (984–3281 ft)EnvironmentMarine; bathypelagic; depth range 300 - 1000 m, usually 400 - 600 mClimateDeep-waterDistributionEastern Atlantic: Portugal to South Africa; northern record from south Iceland. Western Atlantic: 40?N-40?S, including the Gulf of Mexico. One record from the Patagonian region of Argentina. Indian Ocean: 0?- 40?S. Eastern Pacific: 15?S-40?S. Western Pacific: 20?N-40?S.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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