Appearance
This species grows to 40 cm, and is recognizable by blue and white bands on the body, blue spots on the head, and blue dorsal and anal fins. It also has a yellow base, pectoral, and caudal fins. The pelvic, posterior dorsal, and anal fins are all elongated.
This species is a close relative of the southern blue devil (Paraplesiops meleagris), which lives in the colder southern Australian waters.

