HomeFish encyclopediaRay-finned fishesLanternfishesLanternfishesCocco's lantern fish Cocco's lantern fish (Lobianchia gemellarii) Scientific name: Lobianchia gemellarii Cocco, 1838 The Cocco's lantern fish (Lobianchia gemellarii) is a marine fish of the family Myctophidae. BiologyHigh-oceanic and mesopelagic, found between 300-800 m during the day and between 25-100 m (juveniles 14-22 mm) and 200-300 (adults 50-56 mm) at night. Size stratification with depth both day and night. Oviparous, with planktonic eggs and larvae. Reach sexual maturity between 40 and 45 cm. Also.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLobianchia gemellariiFamilyMyctophidae (Lanternfishes)OrderMyctophiformes (Lanternfishes)ClassActinopterygii (Ray-finned fishes)Maximum length6.0Depth range25–800 m (82–2625 ft)EnvironmentMarine; bathypelagic; oceanodromous; depth range 25 - 800 mClimateDeep-waterDistributionEastern Atlantic: southwest of Ireland and Bay of Biscay to Mauritania and from Gabon to Namibia including some records in the Mediterranean. Western Atlantic: USA to the Antilles and Argentina, but absent between 17?-3?N east of 30?W. Indian Ocean: 2?N - 25?S, east of 75?E. Western Pacific: between Japan and Australia; also New Zealand. Eastern Pacific: Nazca ridge, Peru.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