HomeFish encyclopediaRay-finned fishesSmeltsSlickheadsThreadfin smooth-head Threadfin smooth-head (Talismania mekistonema) Scientific name: Talismania mekistonema Sulak, 1975 The Threadfin smooth-head (Talismania mekistonema) is a marine fish of the family Alepocephalidae. BiologyBenthic to benthopelagic. Found on the continental slope.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTalismania mekistonemaFamilyAlepocephalidae (Slickheads)OrderOsmeriformes (Smelts)ClassActinopterygii (Ray-finned fishes)Maximum length26.7Depth range600–1500 m (1969–4921 ft)EnvironmentMarine; bathypelagic; depth range 600 - 1500 mClimateDeep-waterDistributionEastern Atlantic: off Azores Island, and from Western Sahara south to Angola. Elsewhere, tropical western Atlantic and Indian Ocean off Saya-de-Malha Bank and Broken Ridge. Probably occurring in the Western Central Pacific.Conservation status (IUCN)Least Concern (LC)Threat 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