The body has an oval shape and a forked tail. The upper half of the body is a olive to golden brown colour and the lower half lightens to white on the lower belly. The rear of the body is white and there is a black dot at the base of the pelvic fins. The dorsal fin is black in the front and white in the rear. The dorsal fin is edged with blue and the eye there is a blue mark just above the eye. The forked tail is black with a blue line on the edge. They grow up to 10cm in length but are usually in the 7 cm range.