The mouth-opening fish has a thick body and flat sides. The mouth can be extended forward into a tube shape, and the mandible can be extended backward and extend beyond the operculum membrane. The body is covered with large round scales, the buccal scales are in 2 rows and 3 dorsal, and the anal fin basal scales form a well-developed scale sheath. The second fin ray of the abdominal node is extended. Sideline interruption. This fish often has body color variations.
It is one of the fish species that lives in coral reef waters in the tropics. Body length is about 150 mm.
Distributed in the Indian Ocean and Pacific Ocean. It is produced in China in the South China Sea.
