HomeFish encyclopediaRay-finned fishesLanternfishesLanternfishesBlue lanternfish Blue lanternfish (Tarletonbeania crenularis) Scientific name: Tarletonbeania crenularis Jordan & Gilbert, 1880 The Blue lanternfish (Tarletonbeania crenularis) is a marine fish of the family Myctophidae. Native range: Eastern Pacific, southeastern Alaska to off Mexico, including the Gulf of Alaska and Bering Sea. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 11-14; Anal spines: 0; Anal soft rays: 17 - 20; Vertebrae: 39 - 42. Adipose fin small, short based, and slender; pelvic fins with 8 or 9 rays, including rudimentary ray. Bright metallic blue dorsally, bright silvery ventrally. Branchiostegal rays: 8-9.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTarletonbeania crenularisFamilyMyctophidae (Lanternfishes)OrderMyctophiformes (Lanternfishes)ClassActinopterygii (Ray-finned fishes)Maximum length12.7Depth range0–710 m (0–2329 ft)EnvironmentMarine; bathypelagic; depth range 0 - 710 mClimateDeep-waterDistributionEastern Pacific: southeastern Alaska to off Mexico, including the Gulf of Alaska and Bering 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