Centropyge acanthops

The orangeback angelfish (Centropyge acanthops), also known as the flameback angelfish or African pygmy angelfish, is a species of ray-finned fish, a marine angelfish belonging to the family Pomacanthidae. It is found in the western Indian Ocean
It has the head, upper flanks, the dorsal fin and the caudal fin are golden yellow in colour. The lower flanks and the anal fin are black with many dense purple spots. There eyes are ringed with blue. This species attains a maximum total length of 8 centimetres (3.1 in).