HomeFish encyclopediaRay-finned fishesLanternfishesLanternfishesLarge-finned lanternfish Large-finned lanternfish (Hygophum macrochir) Scientific name: Hygophum macrochir G?nther, 1864 The Large-finned lanternfish (Hygophum macrochir) is a marine fish of the family Myctophidae. Native range: Atlantic Ocean, In the eastern Atlantic recorded between about 18?N and 3?S at about 20?W, but about 12?S in Angola Current. Southwest Pacific: Australia. BiologyHigh-oceanic, mesopelagic species. Found at 275-750 m during the day, nyctoepipelagic at surface and down to 125 m (maximum abundance at the surface and at 50 m).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHygophum macrochirFamilyMyctophidae (Lanternfishes)OrderMyctophiformes (Lanternfishes)ClassActinopterygii (Ray-finned fishes)Maximum length6.0Depth range0–750 m (0–2461 ft)EnvironmentMarine; pelagic-oceanic; oceanodromous; depth range 0 - 750 mClimateTropicalDistributionAtlantic Ocean: In the eastern Atlantic recorded between about 18?N and 3?S at about 20?W, but about 12?S in Angola Current. Southwest Pacific: Australia.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