HomeFish encyclopediaRay-finned fishesSmeltsSlickheadsLoosescale smooth-head Loosescale smooth-head (Einara macrolepis) Scientific name: Einara macrolepis Koefoed, 1927 The Loosescale smooth-head (Einara macrolepis) is a marine fish of the family Alepocephalidae. Species factsScientific nameEinara macrolepisFamilyAlepocephalidae (Slickheads)OrderOsmeriformes (Smelts)ClassActinopterygii (Ray-finned fishes)Maximum length22.0Depth range1300–2000 m (4265–6562 ft)EnvironmentMarine; bathypelagic; depth range 1300 - 2000 mClimateDeep-waterDistributionEastern Atlantic: isolated records around Madeira Island and from Morocco south to Angola. Elsewhere, Indian Ocean and eastern Pacific; and probably Western Central Pacific.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