HomeFish encyclopediaRay-finned fishesSmeltsDeep-sea smeltsGoiter blacksmelt Goiter blacksmelt (Bathylagus euryops) Scientific name: Bathylagus euryops Goode & Bean, 1896 The Goiter blacksmelt (Bathylagus euryops) is a marine fish of the family Bathylagidae. Native range: Eastern Atlantic, Iceland, Faeroes and Shetlands to Portugal. Probably antitropical and present in other oceans. Northwest Atlantic: Canada. BiologyDorsal soft rays (total): 9-11; Anal soft rays: 16 - 19. Body robust and compressed. Small gill opening. Anal fin base longer than the length of the caudal peduncle. Dark pigment on the scale pockets.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBathylagus euryopsFamilyBathylagidae (Deep-sea smelts)OrderOsmeriformes (Smelts)ClassActinopterygii (Ray-finned fishes)Maximum length13.0Depth range500–3237 m (1640–10620 ft)EnvironmentMarine; bathypelagic; depth range 500 - 3237 mClimateDeep-waterDistributionEastern Atlantic: Iceland, Faeroes and Shetlands to Portugal. Probably antitropical and present in other oceans. Northwest Atlantic: Canada.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