Pot-bellied seahorse, Hippocampus abdominalis     (Family Syngnathidae)    

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

Depth: 19.9 m

Equipment: Nikon D7000 with Nikkor 18-55mm f/3.5-5.6G ED II in Ikelite housing and 2 x Ikelite DS161

Settings: @ 50mm, ISO200, 1/125s, f/16