See video link below:

http://s21.photobucket.com/albums/b288/sddiverdude/2011%20june/?action=view&current=MVI_5004.mp4

These and other sightings are being logged in the Shark Observation Network [www.sharksonline.net], as well as my own Sevengill Tracking site here in San Diego [http://sevengillsharksightings.org]