Scientific name: 
Heniochus varius
Distinctive features: 
Pair of horn above eyes. Bump on nape. Large brown to black triangular area framed by two white bands.
to 19 cm (7.5 in.)

This bannerfish can be distinguished from other species in the area by the hump on the head. Also, the humphead bannerfish has two white bands that frame a brown triangular area on the body.