HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesSnipefishes and shrimpfishesLongspine bellowfish Longspine bellowfish (Notopogon xenosoma) Scientific name: Notopogon xenosoma Regan, 1914 The Longspine bellowfish (Notopogon xenosoma) is a marine fish of the family Centriscidae. Native range: Indo-Pacific, Mozambique to Algoa Bay, South Africa; New Zealand. Also reported from New Caledonia and Madagascar. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 15-16; Anal spines: 0; Anal soft rays: 17 - 18. Uniform brownish red in color.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNotopogon xenosomaFamilyCentriscidae (Snipefishes and shrimpfishes)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length17.0Depth range255–610 m (837–2001 ft)EnvironmentMarine; bathydemersal; depth range 255 - 610 mClimateDeep-waterDistributionIndo-Pacific: Mozambique to Algoa Bay, South Africa; New Zealand. Also reported from New Caledonia and Madagascar.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026