Yeah, but if you look closely on the diver's (the one who was pulled away by the creature) wing, you should see a Halcyon logo. 
I still think it was pretty hokey at best. Misinformation, those divers were sculling their hands enough to create a vortex.....

I still think it was pretty hokey at best. Misinformation, those divers were sculling their hands enough to create a vortex.....