A Two-Spot Wrasse Oxycheilinus bimaculatus also known as the Little Maori wrasse and Two-spot Maori wrasse. Taken on a dive on Big T reef off Dar es Salaam, Tanzania at 12 meters.
I saw the male in the image showing off for a female and managed to get a full frame shot of him. Taken with a Canon 7D and 24-70mm f4 L lens on 70 mm, using an Ikelite housing , twin ikelite DS 161 strobes and using two Big Blue VL 2500 as focusing lights. 1/350 F11 ISO 100