Black-backed Butterflyfish Chaetodon melannotus

Black-backed Butterflyfish
Black-backed Butterflyfish
Black-backed Butterflyfish
The Black-backed Butterflyfish is native to much of the Indo-Pacific. It grows to some 18cm long and is closely related to the similar-looking Spot-tailed Butterflyfisn, C. ocellicaudus.