Scientific name : Siganus vulpinus
Family : Siganidae
Size : Up to 25 cm
Depth : Up to 30 m
Distribution : West Pacific
Remarkable behaviour : When frightened, the livery looks completely different, with large dark mottling all over the body.
Biology : The 13 spines are connected to venom glands. The injuries caused are not really serious, but are quite painful and take a long time to heal.