Despite what totally realistic movies like Sharknadoand The ALL OUT: AJ RAVALShallows(or the original Jaws) tell you, sharks aren't usually dangerous. To us.

To each other, they can be brutal. In an admittedly unusual occurrence, fisherman William Wall discovered a hammerhead shark and a tiger shark in a fight to the death just outside of his fishing boat, located off the coast of Venice, Louisiana.

His friend Ryan Willsea used a GoPro to check things out.

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It looks like the tiger shark swam away with the win at the end -- an impressive feat considering Wall estimated the hammerhead to be at least 7-feet long.

Update:Willsea uploaded a longer video of the shark fight to YouTube:

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