HomeFish encyclopediaRay-finned fishesLanternfishesLanternfishesSpotlight lanternfish Spotlight lanternfish (Diaphus lucidus) Scientific name: Diaphus lucidus Goode & Bean, 1896 The Spotlight lanternfish (Diaphus lucidus) is a marine fish of the family Myctophidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 16-18; Anal spines: 0; Anal soft rays: 17 - 19Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDiaphus lucidusFamilyMyctophidae (Lanternfishes)OrderMyctophiformes (Lanternfishes)ClassActinopterygii (Ray-finned fishes)Maximum length11.8Depth range0–2999 m (0–9839 ft)EnvironmentMarine; bathypelagic; oceanodromous; depth range 0 - 2999 m, usually 200 - ? mClimateDeep-waterDistributionEastern Atlantic: disjunct distribution from Morocco-Angola (gap in 17?N-11?N). Western Atlantic: USA to Brazil with isolated specimens to Argentina. Indian Ocean: equatorial waters and west of 70?E to 36?S in Agulhas Current. Indo-west-central Pacific: Southeast Asian seas and north to 8?N and eastwards to 126?W. South China Sea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, 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