Nudibranch, Ceratosoma brevicaudatum     (Family Chromadorididae)

Location: The Leap, Kurnell, New South Wales, Australia

Depth: 17.5 m

Equipment: Nikon D7000 with Micro-Nikkor 60mm f/2.8D in Ikelite housing and 2 x Ikelite DS161

Settings: @ 60mm, ISO200, 1/125s, f/16