White's seahorse, Hippocampus whitei     (Family Syngnathidae)

Location: Chowder Bay, Clifton Gardens, New South Wales, Australia

Depth: 3.4 m

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

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