What a difference using a rebreather makes when diving with Hammerheads. I was reciently on a boat in Maui where my buddy and I were the only rebreather divers and we were also the only ones to see sharks.
[video=youtube;yDA1pc6pCZE]http://www.youtube.com/watch?v=yDA1pc6pCZE[/video]
[video=youtube;yDA1pc6pCZE]http://www.youtube.com/watch?v=yDA1pc6pCZE[/video]