Red-finned Butterflyfish - Chaetodon lunulatus

The Oval Butterflyfish, Red-finned Butterflyfish or redfin butterflyfish is a species of butterflyfish. It is found in the Pacific Ocean from Eastern Indonesia to the Hawaiian islands. This is one species of a closely related group which includes the Blacktail butterflyfish which is found in the Red Sea and Gulf of Aden and the Melon butterflyfish which is found in the Indian Ocean.