HomeMarine aquarium fishAngelfish & butterflyfishOld woman angelfish Old woman angelfish (Pomacanthus rhomboides) Scientific name: Pomacanthus rhomboides Gilchrist & Thompson, 1908 The Old woman angelfish (Pomacanthus rhomboides) is a marine fish of the family Pomacanthidae. Native range: Western Indian Ocean, Delagoa Bay, Mozambique to Knysna, South Africa. BiologyDorsal spines (total): 11 - 13; Dorsal soft rays (total): 22-25; Anal spines: 3; Anal soft rays: 21 - 23Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePomacanthus rhomboidesFamilyPomacanthidae (Angelfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length46.0EnvironmentMarine; reef-associatedClimateSubtropicalDistributionWestern Indian Ocean: Delagoa Bay, Mozambique to Knysna, South Africa.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More angelfish & butterflyfishPajama cardinalfishSphaeramia nematopteraLongsnout butterflyfishPrognathodes aculeatusBank butterflyfishPrognathodes ayaFoureye butterflyfishChaetodon capistratusScythemarked butterflyfishPrognathodes falciferSpotfin butterflyfishChaetodon ocellatusSee 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