HomeFish encyclopediaRay-finned fishesLanternfishesLanternfishesPygmy lanternfish Pygmy lanternfish (Lampanyctus pusillus) Scientific name: Lampanyctus pusillus Johnson, 1890 The Pygmy lanternfish (Lampanyctus pusillus) is a marine fish of the family Myctophidae. BiologyHigh-oceanic, found between 425-850 m during the day and between 40-125 m at night.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLampanyctus pusillusFamilyMyctophidae (Lanternfishes)OrderMyctophiformes (Lanternfishes)ClassActinopterygii (Ray-finned fishes)Maximum length4.3Depth range40–850 m (131–2789 ft)EnvironmentMarine; bathypelagic; oceanodromous; depth range 40 - 850 mClimateDeep-waterDistributionEastern Atlantic: British Isles to Mauritania, from Namibia to South Africa; also Mediterranean. Western Atlantic: USA to 20?N, from Brazil to Argentina. Northwest Atlantic: Canada. Indian Ocean: 23?-45?S. South Pacific: Australia to South America in the region of Subtropical Convergence (northern extension to 24?S in the Peru Current).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