Sorry for being blunt, but the commentary voice track overstates what is to be seen.
It's a 5 minute clip with a few good shots of marine wildlife, but nothing unusual or extraordinary, you can see and shoot scenes like this in many tropical waters around the world.
And practically every spot I've night-dived in the Maldives was populated by as many or more sharks / rays / turtles.
Excellent photography. What studio light did you use? Nice effect.
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