Dischistodus prosopotaenia

Dischistodus prosopotaenia, also known as honey-head damsel and honey-breast damsel, is a species of damselfish. It is native to the eastern Indian Ocean and western Pacific. It reaches up to 17 cm in length. The fish usually has a white breast, but there is a yellow-breasted variant that also has a black blotch on each side. The fish lives in lagoons and reefs.