The Yellow and Blueback Fusilier has a brilliant yellow tail, upper back and posterior region of the dorsal fin. The rest of the body is bright blue above and white below. The pectoral, pelvic and anal fins are white. The upper base of the pectoral fin is black.

This species grows to 40cm in length. It lives in schools on coral reefs. It feeds on zooplankton in the midwater above the coral.

The Yellow and Blueback Fusilier occurs throughout the Indo-west and central Pacific.