One of the deadliest predators in the ocean, the Bull Shark, can tolerate fresh water. It can swim hundreds of miles upstream--one strange photo from the 1930s suggests that sharks can even reach Illinois. Come along with our team as they look for proof of sharks in freshwater, uncovering a deadly attack from history, and searching the bayous of Louisiana for predators. Watch as another expedition finds living evidence of a massive beast as big as a Great White Shark in the St. Lawrence River.moreless
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