HomeFish encyclopediaRay-finned fishesBonefishesBonefishesLongfin bonefish Longfin bonefish (Pterothrissus belloci) Scientific name: Pterothrissus belloci Cadenat, 1937 The Longfin bonefish (Pterothrissus belloci) is a marine fish of the family Albulidae. Native range: Eastern Atlantic, Mauritania to Sandwich Harbor, Namibia. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 51-59; Anal spines: 0; Anal soft rays: 12 - 14. Preserved specimens yellowish grey, fins light, caudal tips dusky.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePterothrissus bellociFamilyAlbulidae (Bonefishes)OrderAlbuliformes (Bonefishes)ClassActinopterygii (Ray-finned fishes)Maximum length40.0Common length33.0Depth range20–500 m (66–1640 ft)EnvironmentMarine; bathydemersal; depth range 20 - 500 m, usually 100 - 400 mClimateDeep-waterDistributionEastern Atlantic: Mauritania to Sandwich Harbor, Namibia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=3-4) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026