Butterfly fish is a colorful marine fish, found mostly in coral reefs. This tropical fish is a common sight in the Indian, Pacific and Atlantic oceans. Butterfly fish and the angelfish look more or less similar due to the several similarities in their physical appearance.
Purple Tang (Zebrasoma xanthurum) is a marine reef tang, & inhabits the Red Sea, the west coast of India, the east coast of Africa, & the Persian Gulf, where it may live at water depths of 3 to 65 feet or more.Its Beautiful.Donna Spinner
The moorish idol, Zanclus cornutus, is a small marine fish species, the sole representative of the the Family Zanclidae in order Perciform. A common inhabitant of tropical to subtropical reefs and lagoons, the moorish idol is notable for its wide distribution throughout the Indo-Pacific. A number of butterflyfishes closely resemble the moorish idol.