Piranha Invasion

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Piranha Invasion

Post by weasel666 on Tue 25 Feb 2014, 02:37

A look at the growing number of South American piranha that are appearing in U.S. lakes and streams. A team studies how they are adapting and collects evidence to determine if the predatory fish are becoming a new threat to fresh water environments.

For more info check http://en.wikipedia.org/wiki/Piranha


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