HomeFish encyclopediaSharks and RaysBramble, Sleeper and Dogfish sharksLantern sharksBrown lanternshark Brown lanternshark (Etmopterus unicolor) Scientific name: Etmopterus unicolor Engelhardt, 1912 The Brown lanternshark (Etmopterus unicolor) is a marine fish of the family Etmopteridae. Native range: Western Pacific, Japan and New Zealand. BiologyA little-known lanternshark, mainly from depths below 900 m. Ovoviviparous.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEtmopterus unicolorFamilyEtmopteridae (Lantern sharks)OrderSqualiformes (Bramble, Sleeper and Dogfish sharks)ClassElasmobranchii (Sharks and Rays)Maximum length64.0EnvironmentMarine; demersalClimateSubtropicalDistributionWestern Pacific: Japan and New Zealand.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesFisheries: of no interestResilienceLow, minimum population doubling time 4.5 - 14 years (Fec assumed to be SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026