HomeFish encyclopediaRay-finned fishesLanternfishesLanternfishesBlue lantern fish Blue lantern fish (Diaphus coeruleus) Scientific name: Diaphus coeruleus Klunzinger, 1871 The Blue lantern fish (Diaphus coeruleus) is a marine fish of the family Myctophidae. Native range: Indo-West Pacific, Red Sea and the Andaman Sea, Papua New Guinea, Indonesia, Taiwan, Chesterfield Islands, and Australia. South China Sea (Re.74511). BiologyMesopelagic species. Lipid content is 10.2-17.2 % in fresh body weight.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDiaphus coeruleusFamilyMyctophidae (Lanternfishes)OrderMyctophiformes (Lanternfishes)ClassActinopterygii (Ray-finned fishes)Maximum length13.7Depth range457–549 m (1499–1801 ft)EnvironmentMarine; bathypelagic; depth range 457 - 549 mClimateDeep-waterDistributionIndo-West Pacific: Red Sea and the Andaman Sea, Papua New Guinea, Indonesia, Taiwan, Chesterfield Islands, and Australia. South China Sea (Re.74511).Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceMedium, 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