Mourning cuttlefish, Sepia plangon     (Family Sepiidae)

Location: Bare Island, La Perouse, NSW, Australia

Depth: 5.3 m

Equipment: Nikon D70 with Nikkor ED 18-70mm f/3.5-4.5G IF in Ikelite housing and Ikelite DS50 & Ikelite DS125

Settings: @ 18mm, ISO200, 1/125s, f/16