I took this video during a snorkeling excursion in Hawaii at night to see giant oceanic manta rays. I recorded these mantas from up close in slow motion (120 fps) to get a clear view of how they move. The manta rays were friendly, and got very close. You can read more details here.
Several giant manta rays got very close during a night dive (part 2)
One of the many videos I was able to take during the 45 minutes the manta rays were feeding. This was during a snorkeling excursion in Hawaii at night to see the giant oceanic manta rays. They were friendly, and got very close. You can read more details here.