(Family):Anterior nostril just above upper lip. Pelvic fin inserted below preopercle. Basibranchial tooth patch absent. Scales present. Male with penis. (Genus):A prominent skin flap above opercle (Fig.). Caudal fin connected with darsal and anal fins. Pelvic fin with a single ray. Palatine teeth present. Head naked. Teeth on jaws close, granular. Pectoral fin rays 21〜28. Branchiostegals 8. (Species):Head depressed. A short strong spine on dorsal aspect of snout between posterior nostrils (Fig.). Eye large, directed dorsolaterally. Vomerine and palatine tooth bands narrow. Two opercular spines present, horizontal one longer and stronger than vertical one. No spine along posterior margin of preopercle. Developed gill rakers on 1st arch 3. Bases of pelvic fins close together.