HomeFish encyclopediaSharks and RaysBramble, Sleeper and Dogfish sharksLantern sharksGranular dogfish Granular dogfish (Centroscyllium granulatum) Scientific name: Centroscyllium granulatum G?nther, 1887 The Granular dogfish (Centroscyllium granulatum) is a marine fish of the family Etmopteridae. Native range: Southwest Atlantic, Argentina and Falkland Islands. BiologyA poorly known deepwater shark caught at a depth of 448 m. Ovoviviparous. Maximum total length at least 28 cm (adult male holotype).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCentroscyllium granulatumFamilyEtmopteridae (Lantern sharks)OrderSqualiformes (Bramble, Sleeper and Dogfish sharks)ClassElasmobranchii (Sharks and Rays)Maximum length28.0EnvironmentMarine; bathypelagicClimateDeep-waterDistributionSouthwest Atlantic: Argentina and Falkland Islands.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