Green turtle detail, La Reina, Sea of Cortez

After the close encounter of the turtle kind, the subject circled us, then lay down on a ledge and let me approach close enough to do this little abstract study.

Nikon D100, 105mm f/2.8 AF Auto Micro Nikkor, Subal D-10 Housing, 2 Sea and Sea 90 strobes, f/14, ISO 200.