White's seahorse, Hippocampus whitei     (Family Syngnathidae)    

Location: Camp Cove, Watsons Bay, New South Wales, Australia

Depth: 2.9 m

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

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