so the water is so murky, stacy farrell with heritage tours and is safaris says the shark is disorientedsee where it's going except running into hippos. they're like hey, over there, man. would you get on a personal watercraft device in this body of water with the hippos and the sharks? >> the answer is no. >> this guy in australia on his watercraft did. >> there were five bait balls of fish. guess who came to din per >> there is bea 15 sharks here now. >> the video was captured by robert grace, out with his buddy jason. he says the sharks decided to come calling. i have to say this guy is calm to be, oh a bunch of bait balls, 15 bull sharks. >> there are some big boys in there. >> don't go to sunshine reef. >> definitely go to sunshine reef. >>> another day, another sill sy ja challenge. >> jackson. whole thing head over to rightthisminute.com and check it out on our mobile app. >>> there's a number of challenges online. there's a new challenge. ere?illy salmon. >> there, bro. >> silly salmon challenge has taken off. it's very simple. >> there's a silly salmon. >> he wants to dot silly