HomeFish encyclopediaRay-finned fishesLanternfishesLanternfishesFlaccid lanternfish Flaccid lanternfish (Metelectrona ventralis) Scientific name: Metelectrona ventralis Becker, 1963 The Flaccid lanternfish (Metelectrona ventralis) is a marine fish of the family Myctophidae. Native range: Circumglobal. In the Southern Ocean, known only as stomach contents of fishes from 48?-50?S, 70?-71?E. BiologyOceanic and mesopelagic; from the surface to 350 m at night. Encountered in the stomach contents of Champsocephalus gunnari and Dissostichus eleginoides.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMetelectrona ventralisFamilyMyctophidae (Lanternfishes)OrderMyctophiformes (Lanternfishes)ClassActinopterygii (Ray-finned fishes)Maximum length10.7Depth range0–426 m (0–1398 ft)EnvironmentMarine; bathypelagic; oceanodromous; depth range 0 - 426 mClimateDeep-waterDistributionCircumglobal. In the Southern Ocean, known only as stomach contents of fishes from 48?-50?S, 70?-71?E.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (K=1.29; tmax=2) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026