Found in moving water of inshore rocky reefs. Juveniles may ascend rivers and return to sea to spawn. Protandrous, sex change happens after maturation at age 2. Spawning occurs during winter, in deeper rocky reefs or inshore areas. Predaceous, feeding on zooplankton at an early age and on small fish and shrimps as adults. Utilized as a food fish. Family placement uncertain. Used in Chinese medicine.