Body elongate, subcylindrical; head broad and depressed. Mouth large, terminal, with projecting lower jaw; villiform teeth in jaws and on roof of mouth and tongue. First dorsal fin consisting of VII to IX short but strong isolated spines, not connected by amembrane; second dorsal fin long, with 28 to 33 soft rays; anal fin similar to dorsal fin, but shorter, with II or III spines and 22 to 28 soft rays; caudal fin lunate in adults, upper lobe longer than lower (caudal fin rounded in young, the central rays much prolonged); pectoral fins pointed, becoming more falcate with age. Scales small, embedded in thick skin; lateral line slightly wavy anteriorly. Body dark brown on back and sides, with 2 sharply defined narrow silvery bands; belly yellowish.
Occurs in a variety of habitats, over mud, sand and gravel bottoms; over coral reefs, off rocky shores and in mangrove sloughs; inshore around pilings and buoys, and offshore around drifting and stationary objects; occasionally in estuaries. Forms small g
Worldwide in tropical and subtropical waters except the eastern Pacific. It is common in waters around Taiwan.
Good food fish; marketed fresh, smoked, and frozen. game fish.
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