HomeFish encyclopediaRay-finned fishesSawbelliesAlfonsinosPricklefish Pricklefish (Acanthochaenus luetkenii) Scientific name: Acanthochaenus luetkenii Gill, 1884 The Pricklefish (Acanthochaenus luetkenii) is a marine fish of the family Berycidae. BiologyAdults probably benthopelagic. Larvae taken at 30 m. Benthic crabs Malacostraca were found in the stomachs of 3 specimens SL 8.5-9 cm from Madagascar Ridge.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAcanthochaenus luetkeniiFamilyBerycidae (Alfonsinos)OrderBeryciformes (Sawbellies)ClassActinopterygii (Ray-finned fishes)Maximum length14.1Depth range1655–5397 m (5430–17707 ft)EnvironmentMarine; benthopelagic; depth range 1655 - 5397 mClimateDeep-waterDistributionAtlantic, Indian and Pacific: in subtropical and temperate waters. In the Indian Ocean known localities include the Madagascar Ridge and the West Australian Ridge, Naturalist Plateau.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax > 3; K=0.41) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026