Masked Bannerfish

The Masked Bannerfish - Heniochus monoceros are with yellow rear body and fin; white band runs from dorsal fin filament to lower head with dark bar behind; bump on nape. Usually found in solitary or in pairs, unlike Longfin Bannerfishes that can be found schooling. At a glance, this Masked Bannerfishes looks similar to Longfin Bannerfishes.