Fish ID: Horned Bannerfish

Butterflyfish horned bannerfish cki
Family Butterflyfish (CHAETODONTIDAE)
species Heniochus varius
size Up to 20cm
locality Under ledges or coral plates
behaviour Solitary or in pairs
range Tropical Indian and Pacific Oceans

Similar in shape to other bannerfish, but differentiated by a ‘horn’ or even horns created by a sickle shaped notch in the forehead.