HomeFish encyclopediaRay-finned fishesLanternfishesLanternfishesMermaid lanternfish Mermaid lanternfish (Lampanyctus lepidolychnus) Scientific name: Lampanyctus lepidolychnus Becker, 1967 The Mermaid lanternfish (Lampanyctus lepidolychnus) is a marine fish of the family Myctophidae. Native range: Circumglobal convergence species. Southwest Atlantic between 23?24'S and 43?30'S. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 14-16; Anal spines: 0; Anal soft rays: 18 - 20Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLampanyctus lepidolychnusFamilyMyctophidae (Lanternfishes)OrderMyctophiformes (Lanternfishes)ClassActinopterygii (Ray-finned fishes)Maximum length11.9Depth range312–332 m (1024–1089 ft)EnvironmentMarine; bathypelagic; oceanodromous; depth range 312 - 332 mClimateDeep-waterDistributionCircumglobal convergence species. Southwest Atlantic between 23?24'S and 43?30'S.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