Chiefly marine (rarely freshwater). Distribution: Atlantic, Indian, and Pacific Oceans. Anus and anal fin origin usually posterior to pectoral fin tip. Anal fin rays usually of the same length or shorter than opposing dorsal fin rays. Scales present. One or more opercular spines in some. Supramaxillary present. Vexillum lacking in larvae. Pelvics usually present. About 1.5 m maximum length.