HomeFish encyclopediaSharks and RaysBramble, Sleeper and Dogfish sharksLantern sharksShorttail lanternshark Shorttail lanternshark (Etmopterus brachyurus) Scientific name: Etmopterus brachyurus Smith & Radcliffe, 1912 The Shorttail lanternshark (Etmopterus brachyurus) is a marine fish of the family Etmopteridae. BiologyInhabits the upper slope, on or near the bottom. Feeds mainly on mid-water bony fish, also squid, octopus, shrimp and brittle stars. Ovoviviparous.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEtmopterus brachyurusFamilyEtmopteridae (Lantern sharks)OrderSqualiformes (Bramble, Sleeper and Dogfish sharks)ClassElasmobranchii (Sharks and Rays)Maximum length50.0Depth range451–900 m (1480–2953 ft)EnvironmentMarine; bathydemersal; depth range 451 - 900 mClimateDeep-waterDistributionWestern Pacific: Japan and Philippines, possibly elsewhere in the western Pacific. Recorded from off Shark Bay, Western Australia. Records from southern Africa possibly based on other species. Often confused with Etmopterus molleri and Etmopterus lucifer.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesFisheries: of no interestResilienceVery Low, minimum population doubling time more than 14 years (Fec=2) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026