Adults recorded singly and in small groups. Juveniles often form schools, which may look like a large, moving ball as they swim together. Schools may sometimes comprise more than 100 individuals.
Possesses three venomous spines: one on dorsal fin and the others on pectoral fins. In Hong Kong, its sting has resulted in hospitalisation.
Description
Body brown to black dorsally and white ventrally.
Two white stripes run from lips to tail on each side of the body.
Four pairs of barbels on head, giving a whiskered appearance.
Anal fin and part of the dorsal fin fused with caudal fin.
