is it us? is it the media. >> where he have a lot of people in underwater cameras and devices and phones and that allows us to see these activities where we never used to. >> so it is the proliferation of camera that is given us the impression that sharks are everywhere. >> well i think that we are also seeing some amazing things. obviously the attack, although very sad were early this year in north carolina and south carolina. this is probably because the ocean temperature was a little bit warmer from a mild winter. and we're also seeing the return of great white sharks up in new england which is catching everybody's attention certainly. >> what effect is el nino having on this? >> well el nino is primarily looking in the west coast. so you can see in different weather events a change in the way the bait fish behave. bait fish can use waters closer to shore which also brings the predators closer at the same time. >> i want to show footage here of -- this has been making the