HomeFish encyclopediaRay-finned fishesLanternfishesLanternfishesHerwig lanternfish Herwig lanternfish (Metelectrona herwigi) Scientific name: Metelectrona herwigi Hulley, 1981 The Herwig lanternfish (Metelectrona herwigi) is a marine fish of the family Myctophidae. Native range: Circumglobal convergence species. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 14; Anal spines: 0; Anal soft rays: 20Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMetelectrona herwigiFamilyMyctophidae (Lanternfishes)OrderMyctophiformes (Lanternfishes)ClassActinopterygii (Ray-finned fishes)Maximum length5.5Depth range98 m (322 ft)EnvironmentMarine; pelagic-oceanic; oceanodromous; depth range 98 - 98 mClimateDeep-waterDistributionCircumglobal convergence species.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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