HomeMarine aquarium fishAngelfish & butterflyfishOrangeback angelfish Orangeback angelfish (Centropyge acanthops) Scientific name: Centropyge acanthops Norman, 1922 The Orangeback angelfish (Centropyge acanthops) is a marine fish of the family Pomacanthidae. Native range: Western Indian Ocean, Somalia to East London, South Africa. Also around oceanic islands. Common off East Africa. BiologyHead, upper sides, dorsal, and caudal fins golden yellow; lower two-thirds of the body and the anal fin black with numerous close-set purple spots.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCentropyge acanthopsFamilyPomacanthidae (Angelfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.0Depth range6–40 m (20–131 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 6 - 40 mClimateTropicalDistributionWestern Indian Ocean: Somalia to East London, South Africa. Also around oceanic islands. Common off East Africa.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More angelfish & butterflyfishPajama cardinalfishSphaeramia nematopteraZanzibar butterflyfishChaetodon zanzibarensisAfrican butterflyfishChaetodon dolosusCocos-Keeling angelfishCentropyge coliniBlackedged angelfishGenicanthus watanabeiSpotbreast angelfishGenicanthus melanospilosSee all angelfish & butterflyfish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026