I took slow motion video of giant manta rays as they swam up close during a night dive

https://www.youtube.com/watch?v=is7NDcdWNzA

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.