HomeFish encyclopediaSharks and RaysAngel sharksAngel sharksAngular angel shark Angular angel shark (Squatina guggenheim) Scientific name: Squatina guggenheim Marini, 1936 The Angular angel shark (Squatina guggenheim) is a brackish-water fish of the family Squatinidae. Native range: Southwest Atlantic, southern Brazil and Argentina. BiologyBony fishes were the main food followed by crustaceans and molluscs. Ovoviviparous. Adult males are characterized by the presence of a patch of small spines near the tip of the pectoral fins.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSquatina guggenheimFamilySquatinidae (Angel sharks)OrderSquatiniformes (Angel sharks)ClassElasmobranchii (Sharks and Rays)Maximum length129Common length89.0Depth range4–360 m (13–1181 ft)EnvironmentMarine; brackish; demersal; depth range 4 - 360 m, usually 4 - 266 mClimateSubtropicalDistributionSouthwest Atlantic: southern Brazil and Argentina.Conservation status (IUCN)Endangered (EN) (A2bd)Threat to humansHarmlessResilienceVery Low, minimum population doubling time more than 14 years (Fec=4-10) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026