In Japan, this species spawns in the early morning on brown algae. Females care for eggs until hatching, by fanning the water to keep eggs oxygenated and driving other fishes away. Males may also guard eggs..
Spawning occurs from May to October in Japan.
Mainly feeds on detritus, polychaetes and other small invertebrates.
Description
Body reddish brown with numerous white spots.
Like most filefishes, the fish dorsal spine is thick and strong.