By Venetia Tan
Venetia shot this using a Nikon F90 and 105mm Micro lens in an Ikelite Housing with an Ikelite 100A strobe and SR2000 slave.
The location was Cabilao Island, Philipines on an early night dive.
Cory Pittman confirmed this to be Platydoris formosa, not P. cruenta as first thought, thanks Cory