These attacks result in severe injuries and the death rate is high. The shark will attack repeatedly. It is believed these sneak attacks happen when sharks are provoked.
Another type of attack is hit and run and usually this happens in the surf zones as a case of mistaken identity. The shark does not return for another attack and the result is usually a slash wound or a single bite, which is rarely life threatening.
Finally a shark will go through the bump and bite attack, which happens in deep waters and victim is commonly a diver. The shark will circle and bump the victim prior to the attack and the injuries in these types of attacks are more severe and fatality rates are high.
Unprovoked shark attacks are extremely rare but you can see more chilling action on www.sharkvideos.net
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