Tom Shirley
11-20-2008, 02:22 PM
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.
More... (http://www.history.com/shows.do?action=detail&episodeId=366906)
More... (http://www.history.com/shows.do?action=detail&episodeId=366906)