This double feature presentation includes both "Sharkville" and "Icy Killers: The Secrets of Alaska's Salmon Shark" on one disc. Sharkville: — Welcome to Sharkville-- the only bay in the world where Great White Sharks live ... more »year round. Scientist Ryan Johnson sets out on a six year study to reveal more of the Great White's secretive life. He found one of the largest resident populations of Great White Sharks in the world and one of only two known nursery sites! Icy Killers: Secrets of Alaska's Salmon Shark:
The last thing one would expect in the sub-Arctic waters of Alaska is an abundant predatory shark population. Rarely seen, and even more rarely documented, the Salmon Shark makes these icy Alaskan waters its home. An evolutionary predecessor of the Great White Shark, it is sleeker, faster and enormously powerful. Icy Killers is a first time in-depth look into the hidden world of the ferocious Salmon Sharks of Alaska.« less