Sharks were once small, harmless fish

http://zeenews.india.com/news/eco-news/sharks-were-once-small-harmless-fish_731147.html

12 September 2011

In popular imagination, sharks are fearsome predators looking for their next unfortunate victim. But researchers say many shark species were relatively small, harmless fishes living in lakes and rivers more than 200 million years ago.

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About ECOCEAN Shark News

ECOCEAN is a scientific, non-profit association established by a group of likeminded people passionate about working for the conservation of the unique marine environment.
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