HomeMarine aquarium fishTangs & surgeonfishRazor surgeonfish Razor surgeonfish (Prionurus laticlavius) Scientific name: Prionurus laticlavius Valenciennes, 1846 The Razor surgeonfish (Prionurus laticlavius) is a marine fish of the family Acanthuridae. Native range: Eastern Central Pacific, Costa Rica to Colombia, including the Revillagigedo, Cocos and Galapagos islands. BiologyInhabits shallow waters and forms big schools. Herbivorous, feeds in schools on algae attached to rocks or corals. Demersal species that generally inhabits rocky areas.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePrionurus laticlaviusFamilyAcanthuridae (Surgeonfishes, tangs, unicornfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length60.0Common length25.0Depth range3–30 m (10–98 ft)EnvironmentMarine; reef-associated; depth range 3 - 30 m, usually 3 - 25 mClimateTropicalDistributionEastern Central Pacific: Costa Rica to Colombia, including the Revillagigedo, Cocos and Galapagos islands.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More tangs & surgeonfishYellowtail surgeonfishPrionurus punctatusIndian Ocean mimic surgeonfishAcanthurus tristisSailfin tangZebrasoma veliferBluespine unicornfishNaso unicornisOrangespine unicornfishNaso lituratusStriated surgeonfishCtenochaetus striatusSee all tangs & surgeonfish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026