HomeFish encyclopediaSharks and RaysBramble, Sleeper and Dogfish sharksDogfish sharksCyrano spurdog Cyrano spurdog (Squalus rancureli) Scientific name: Squalus rancureli Fourmanoir & Rivaton, 1979 The Cyrano spurdog (Squalus rancureli) is a marine fish of the family Squalidae. Native range: Western Central Pacific, Chesterfield Islands and Vate, Vanuatu. BiologyFound on the insular slopes. Probably ovoviviparous, with 3 young per litter.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSqualus rancureliFamilySqualidae (Dogfish sharks)OrderSqualiformes (Bramble, Sleeper and Dogfish sharks)ClassElasmobranchii (Sharks and Rays)Maximum length77Depth range320–400 m (1050–1312 ft)EnvironmentMarine; bathydemersal; depth range 320 - 400 mClimateDeep-waterDistributionWestern Central Pacific: Chesterfield Islands and Vate, Vanuatu.Conservation status (IUCN)Near Threatened (NT)Threat to humansHarmlessUsesFisheries: of no interestResilienceVery Low, minimum population doubling time more than 14 years (Fec=4) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026