Gray Angelfish (Pomacanthus arcuatus) live as mated pairs in large territories.    From Wordnik.com.  [Coral reef fish feeding behavior in the Caribbean] Reference

French Angelfish (Pomacanthus paru) forage in a similar manner, but they consume less gorgonian polyps and algae.    From Wordnik.com.  [Coral reef fish feeding behavior in the Caribbean] Reference

Blue-Ringed Angelfish Scientific Name: Pomacanthus annularis Family: Angelfish - Pomacanthidae Maximum Size: 45cm Identification: Orangish brown with upward curving blue bands, tail white.    From Wordnik.com.  [We Blog A Lot] Reference