The Moonlighter is a marine ray-finned fish, with pronounced black and white stripes.

Moonlighters are members of the subfamily Microcanthinae, part of the sea chub family Kyphosidae.

It is endemic to southern Australia, where adults can be found on rocky reefs to depths of 120 m (390 ft). Juveniles are found in much shallower waters of coves and estuaries. This species grows to 40 cm (16 in) Total Length.

This fish is commercially important and can also be found in the aquarium trade. This species is the only known member of the genus Tilodon.