Footage shows someone throwing itself over a diver 's body on ocean floor . Diver and documentary filmmaker Johnny Debnam was free - diving , meaning diving without a diving apparatus . He lay motionless on the ocean floor and stingray came to investigate . Stingrays are potentially deadly predators due to their dangerous barbs .
Footage shows stingray gliding itself over a diver 's body on ocean floor . Diver and documentary maker Johnny Debnam was free-diving , meaning diving without a breathing apparatus . He lay motionless on the ocean floor and stingray came to investigate . Stingrays are potentially deadly animals due to their dangerous barbs .