Nudibranch, Chromodoris lochi     (Family Chromodorididae)    

Location: Nobody's, Agincourt Reef, Great Barrier Reef, Australia

Depth: 10.1 m

Equipment: Nikon D300 with Nikkor 18-55mm f/3.5-5.6G ED II +5 diopter in Ikelite housing and 2 x Ikelite DS125

Settings: @ 55mm, ISO200, 1/200s, f/11