Mostly found singly, but can also form small group.
Feeds on planktons, jellyfishes, fishes, small crustaceans and benthic organisms including worms.
In Japan, males reported to be territorial during breeding seasons and have harems of 1 – 4 resident females. Females will scatter eggs over sandy bottoms but only guard the eggs for a few minutes, whereas males leave immediately after spawning. Eggs are left unguarded until hatching in three days.
Body colour and pattern able to change according to surroundings.
Body colour generally brown with mottling of brown, dark and white.
Short, dark brown stripes on sides.
In males, filamentous extension from the second ray of second dorsal fin is found.