The rock beauty (Holacanthus tricolor), also known as corn sugar, coshubba, rock beasty, catalineta, and yellow nanny,is a species of marine ray-finned fish, a marine angelfish belonging to the family Pomacanthidae. It is found in the western Atlantic Ocean.

Holacanthus tricolor. Retrieved May, 08 2021, from en.wikipedia.org/wiki/Rock_beauty.