HomeFish encyclopediaSharks and RaysGround sharksCat sharksBroadgill catshark Broadgill catshark (Apristurus riveri) Scientific name: Apristurus riveri Bigelow & Schroeder, 1944 The Broadgill catshark (Apristurus riveri) is a marine fish of the family Scyliorhinidae. Native range: Western Central Atlantic, Cuba, northern Gulf of Mexico, and Panama. BiologyRelatively slender, moderately long, narrow snout and relatively narrow, low caudal fin. Color uniform dark brown. First to third gill openings long as the distance between the nostrils.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameApristurus riveriFamilyScyliorhinidae (Cat sharks)OrderCarcharhiniformes (Ground sharks)ClassElasmobranchii (Sharks and Rays)Maximum length46.0Depth range700–1500 m (2297–4921 ft)EnvironmentMarine; bathydemersal; depth range 700 - 1500 mClimateDeep-waterDistributionWestern Central Atlantic: Cuba, northern Gulf of Mexico, and Panama.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesFisheries: of no interestResilienceVery Low, minimum population doubling time more than 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