A juvenile tiger shark is outfitted with a device that will measure how active it is at night. ➡ Subscribe: bit.ly/NatGeoWILDSubscribe ➡ Get More Sharkfest: bit.ly/SharkFest ➡ TIGER SHARK TERROR AIRS MONDAY JULY 24 at 8/7c. About Sharkfest: Put on your wetsuit to swim with the sharpest of the sea. This is the one-stop-show-shop for all things shark. No fuss, no muss, just killer episodes. Get More Nat Geo Wild: Official Site: bit.ly/NatGeoWILD Facebook: bit.ly/NGWFacebook Twitter: bit.ly/NGWTwitter Instagram: bit.ly/NGWInstagram About Nat Geo Wild: Welcome to a place so wild, anything can happen. Nat Geo Wild is the network all about animals from National Geographic, where every story is an adventure and your imagination is allowed to run wild. Tracking Tiger Sharks at Night | SharkFest youtu.be/UrRSMdoIXXE Nat Geo Wild www.youtube.com/user/NatGeoWild