Old woman angelfish

The old woman angelfish (Pomacanthus rhomboides) is a large angelfish growing up to 45 cm, found in the western Indian Ocean. Adult P. rhomboides are brown with the back third of the body (closest to the caudal fin) being light blue whilst immature specimens are black with wavering blue and white bands, these specimens can be confused with many other Pomacanthus angelfish because of their very similar coloration. Adults of this species can often be found in small groups feeding at the surface or in midwater whilst immature specimens are usually found singularly in tidal pools.

Old woman angelfish
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Pomacanthidae
Genus: Pomacanthus
Species:
P. rhomboides
Binomial name
Pomacanthus rhomboides
A young, immature P. rhomboides

P. rhomboides is generally not collected for the aquarium trade because of its drab adult colours, and the fact that it is found outside normal fish-collecting areas, it is also fairly rare in nature and shy.

References
  1. Rocha, L.A., Pyle, R., Myers, R. & Craig, M.T. 2010. Pomacanthus rhomboides. The IUCN Red List of Threatened Species 2010: e.T165842A6146481. https://dx.doi.org/10.2305/IUCN.UK.2010-4.RLTS.T165842A6146481.en. Downloaded on 21 December 2020.
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