HomeFish encyclopediaRay-finned fishesLanternfishesLanternfishesLongfin lanternfish Longfin lanternfish (Diogenichthys atlanticus) Scientific name: Diogenichthys atlanticus T?ning, 1928 The Longfin lanternfish (Diogenichthys atlanticus) is a marine fish of the family Myctophidae. BiologyOceanic, epipelagic to mesopelagic, found between 400-930 m during the day and between 18-1,050 m at night (with maximum abundance at 50-100 m and 500-700 m at night). Larvae and juveniles non-migratory at least near the Canary Islands. Oviparous, with planktonic eggs and larvae. Minimum depth from.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDiogenichthys atlanticusFamilyMyctophidae (Lanternfishes)OrderMyctophiformes (Lanternfishes)ClassActinopterygii (Ray-finned fishes)Maximum length2.9Depth range0–1050 m (0–3445 ft)EnvironmentMarine; bathypelagic; oceanodromous; depth range 0 - 1050 mClimateDeep-waterDistributionAtlantic Ocean: widely but unevenly distributed between 50?N and 48?S, less abundant or absent in regions of low productivity. Western Indian Ocean: between 22?S and 45?S. Pacific Ocean: widespread uneven distribution between 35?N and 25?S. South China Sea.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