Body oval, deep, strongly compressed. Head length about equal to head height; preopercle smooth, without prominent spines. Snout short. Small protractile mouth with brush-like teeth in the jaws. Dorsal fin with XII spines, no notch between spinous and soft dorsal fin; and 22 to 26 soft rays; anal fin with III spines and 18 to 20 soft rays; pectoral fins transparent with 14 to 15 soft rays; pelvic fins with I stout spine and 5 branched rays; caudal fin rounded. Body color yellow with diagonal brown stripes on the sides; a prominently broad black bar through eye with a white bar just behind it; a black isolated spot is on the forehead. The dorsal, caudal, anal and pelvic fins yellow; vertical dark band on caudal fin equal in width to pupil diameter.
habitats
Inhabits rocky and coral reef areas at depths of 4 to 25 m. Occur in pairs and small groups. Feed on algae. Oviparous.
Distribution
Distributed from the Indo-Malayan from Japan to Thailand; including the Ryukyu Islands, Taiwan, the South China Sea, and the Gulf of Thailand. It is found in northern Taiwanese waters, Hsiaoliuchiu and Penghu Is..
沈世傑 編 Shih-Chieh Shen ed. 1993 
