Eastern smooth boxfish, Anoplocapros inermis     (Family Aracanidae)

Location: Halfway Point, South Cronulla, New South Wales, Australia

Equipment: Nikon D300 with Micro-Nikkor 60mm f/2.8D +4 diopter in Ikelite housing and 2 x Ikelite DS125

Settings: ISO200, 1/125s, f/16