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| Shark mystery solved: Why threshers have huge tails | 14/05/2010 17:50:27 | For years, biologists have been unsure why thresher sharks uniquely sport tails that can grow as long as the shark's body.
Now video footage has confirmed their true function: thresher sharks use their huge tails to swat and stun much smaller prey fish.
http://news.bbc.co.uk/earth/hi/earth_news/newsid_8678000/8678061.stm | | Flere nyheder |
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