When the Ohio River finally meets with the Mississippi, it's then still about 1,000 miles from the Gulf of Mexico. In fact, there have only been two semi-confirmed reports of a bull shark making ...

The great hammerhead is the largest of the nine identified species of this shark. It can grow up to 20 feet in length and weigh up to 1,000 pounds, although smaller sizes are more common.

Capt. Taylor Bankston said the shark, estimated at 14 feet long and weighing more than 1,000 pound, circled his 26-foot boat about 20 minutes.

They have now published their findings and officially confirmed that bull sharks travel more than 1,000 miles up the Mississippi ... length and weigh up to 500 pounds. On top, bull sharks are ...

A bull shark is the only shark capable of surviving in freshwater, but would a bull shark have made a 1,000-mile-plus swim up the Mississippi River from the Gulf Coast? The answer: doubtful.