Raccoon butterflyfish

The raccoon butterflyfish ("Chaetodon lunula"), is a species of marine ray-finned fish. It is found in the Indian and Pacific Oceans.
Other names.
This fish is also known as the crescent-masked butterflyfish, lunule butterflyfish, halfmoon butterflyfish, moon butterflyfish, raccoon butterfly, raccoon, raccoon coralfish, and redstriped butterflyfish.