Ancient Megapiranha's bite was worse than any bark

12/27/2012 |

A species of piranha that lived about 10 million years ago had a bite so strong it could shatter shells and crack bones, according to a study published in the journal Scientific Reports. Megapiranha paranensis weighed some 22 pounds, which would have given it a bite force of between 1,240 and 4,750 newtons, scientists say -- stronger pound for pound than a Tyrannosaurus rex bite.

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