HomeFish encyclopediaRay-finned fishesSmeltsSlickheadsGrenadier smooth-head Grenadier smooth-head (Leptoderma macrops) Scientific name: Leptoderma macrops Vaillant, 1886 The Grenadier smooth-head (Leptoderma macrops) is a marine fish of the family Alepocephalidae. Native range: Eastern Atlantic, southern Bay of Biscay to Namibia. Western Atlantic: Gulf of Mexico, Caribbean, and off Brazil. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 57-67; Anal spines: 0; Anal soft rays: 78 - 85Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLeptoderma macropsFamilyAlepocephalidae (Slickheads)OrderOsmeriformes (Smelts)ClassActinopterygii (Ray-finned fishes)Maximum length24.0Depth range500–2000 m (1640–6562 ft)EnvironmentMarine; bathydemersal; depth range 500 - 2000 mClimateDeep-waterDistributionEastern Atlantic: southern Bay of Biscay to Namibia. Western Atlantic: Gulf of Mexico, Caribbean, and off Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, 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