Paracirrhites arcatus 's description
Arc-eye hawkfish is found in shallow waters in the tropical IndoPacific on reefs, resting on coral heads much of the time. Arc-eye hawkfish grows to a maximum size of 20 cm in length, and occurs in a variety of colors. The body may be greenish-brown, dark brown or reddish-orange, while the tail usually is bluish. A broad, longitudinal white band runs along the distal half of the body. A characteristic ring-shaped or U-shaped tricolor marking (red, blue and yellow) occurs around and behind the eyes.
Dorsal spines (total): 10; Dorsal soft rays (total): 11; Anal spines: 3; Anal soft rays: 6.