HomeFish encyclopediaRay-finned fishesLanternfishesLanternfishesSpinytail lampfish Spinytail lampfish (Lampanyctus acanthurus) Scientific name: Lampanyctus acanthurus Wisner, 1974 The Spinytail lampfish (Lampanyctus acanthurus) is a marine fish of the family Myctophidae. Native range: North Pacific, central water mass between about 20? and 35?N, east to the western margin of the California Current region. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 13-14; Anal spines: 0; Anal soft rays: 16 - 18; Vertebrae: 35 - 37Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLampanyctus acanthurusFamilyMyctophidae (Lanternfishes)OrderMyctophiformes (Lanternfishes)ClassActinopterygii (Ray-finned fishes)Maximum length13.0Depth range0–560 m (0–1837 ft)EnvironmentMarine; bathypelagic; depth range 0 - 560 mClimateDeep-waterDistributionNorth Pacific: central water mass between about 20? and 35?N, east to the western margin of the California Current region.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