Surfing champ Karina Petroni recently took a swim with a Shiver of Caribbean Reef sharks in the Bahamas. That's what you call a group of sharks, a Shiver. This video will give a lot of folks some shivers...

Karina Petroni is originally from Panama and since 2-years-old she has spent most of her life in the ocean riding waves. She now lives in Atlantic Beach Florida. This is a video of a free dive with sharks in the Bahamas.