HomeFish encyclopediaRay-finned fishesLanternfishesLanternfishesJewel lanternfish Jewel lanternfish (Lampanyctus crocodilus) Scientific name: Lampanyctus crocodilus Risso, 1810 The Jewel lanternfish (Lampanyctus crocodilus) is a marine fish of the family Myctophidae. BiologyDorsal soft rays (total): 13-14; Anal soft rays: 16 - 18. Distinguished from other species of Lampanyctus by the pattern of its photophores and by its short pectoral fins located just behind gill opening. Photophores along ventral post-anal region (AO): 6 (7) + 8 (7-9) = 14 (13-16).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLampanyctus crocodilusFamilyMyctophidae (Lanternfishes)OrderMyctophiformes (Lanternfishes)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Depth range0–1192 m (0–3911 ft)EnvironmentMarine; bathypelagic; oceanodromous; depth range 0 - 1192 mClimateDeep-waterDistributionEastern Atlantic: strays as far north as Dohrn Bank (off East Greenland) and off northwest Iceland, from British Isles to Mauritanian Upwelling Region including the Mediterranean. Western Atlantic: as shallow as 46 m in Ungava Bay, Canada, in slope water region.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of potential interestResilienceLow, minimum population doubling time 4.5 - 14 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