"We just saw the frenzy on the horizon and didn't know it was coming straight for us and caught ourselves right in the middle of it, which was quite cool," he said.
Ragless added that he thought there were around 1,000 dolphins, but the numbers could have been higher.
"Oh my god, this is awesome," one of the boaters says in the video. "You guys can see the water. Dolphins are literally swimming under us. Millions of them. Absolutely millions of them."
"Wow, this is a story you're going to live to tell your kids one day, my friend," he adds.