Fish ID: Double Saddle Butterflyfish

Butterflyfish double saddle butterflyfish chaetodon ulietensis gbr
Family Butterflyfish (CHAETODONTIDAE)
species Chaetodon ulietensis
size Up to 15cm
locality In and around coral
behaviour Solitary or in pairs
range Eastern Indian Ocean and Pacific

Thin vertical black lines over a white body with two dark patches that extend over the back and half way down. A very distinct black spot on the caudal peduncle, and a dark vertical line through the eye.