The Barrier Reef Chromis, also known as the Yellowback Puller grows to a maximum length of about 4 inches. The single
dorsal fin has thirteen spines and eleven to thirteen soft rays and the anal
fin has two spines and ten or eleven soft rays. This fish has a dark diagonal
line running from the eye to the posterior end of the dorsal fin. Above this
line it is yellowish-brown and below it is silvery. The upper and lower edges
of the deeply forked tail fin are black.
diet consists of meaty foods, as well as herbivorous marine seaweed and algae.