It is bright blue in color; the male has a yellow snout and tail, and the female and juvenile usually lack yellow but have a black spot at the base of the back edge of the dorsal fin. 

Scientific Name: Chrysiptera cyanea
Max Size: 2"
Diet: flaked and frozen foods, and herbivore preparations.

Require 30+ gallon tank

Approximate shipping size: 1" to 2"