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.
Size: 
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.