HomeFish encyclopediaRay-finned fishesLanternfishesLanternfishesRegan's lanternfish Regan's lanternfish (Diaphus regani) Scientific name: Diaphus regani T?ning, 1932 The Regan's lanternfish (Diaphus regani) is a marine fish of the family Myctophidae. Native range: Indo-West Pacific. South China Sea. Species factsScientific nameDiaphus reganiFamilyMyctophidae (Lanternfishes)OrderMyctophiformes (Lanternfishes)ClassActinopterygii (Ray-finned fishes)Maximum length1.4Depth range750 m (2461 ft)EnvironmentMarine; pelagic-oceanic; depth range ? - 750 mClimateDeep-waterDistributionIndo-West Pacific. 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