The Ghana Butterflyfish inhabits inshore rocky reefs at depths between 10 to 220 feet (3 – 70 m). It has three vertical dark brown bands, hence the name Three-Banded Butterflyfish. One through the eyes, a second mid body and a third at the rear of the body. The dorsal, anal, and pelvic fins are yellow, and the tail is clear. Chaetodon robustus has silvery white body with each scale having a copper-like reflection due to its narrow yellow edging.
Feeds on sea urchins, worms, hydroids, crabs, crustaceans, and algae, chopped frozen fish, shrimps and also marine flakes food.