New giant clam species discovered


	New giant clam species discovered

tabsey

8-30-2008 10:04 AM

154 views

tabsey says:

Bring back Johnny Weissmuller and do another Tarzan movie. "Revenge of the Clams" would be appropriate

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<B>A new species of giant clam has been discovered in the Red Sea.</B>
</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/1/hi/sci/tech/7588857.stm"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/news.bbc.co.uk/img/93E1CAFB-A6D6-432C-8A84-6AD1A16B6751" alt="New giant clam - Tridacna costata" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/1/hi/sci/tech/7588857.stm"><P>
The fossil record suggests that, about 125,000 years ago, the species <I>Tridacna costata</I> accounted for more than 80% of local giant clams.
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The species may now be critically endangered, researchers report in Current Biology journal.
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The scientists believe their findings may represent one of the earliest examples of the over-exploitation of marine organisms by humans.
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<I>T. costata</I>has "very peculiar characteristics" that set it apart from two other species of giant clam that are also found in the area.
</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/1/hi/sci/tech/7588857.stm"><P>
The Latin word <I>costatus </I> means "ribbed" and <I>T. costata</I> has a disitinctive, zig-zag outline to its shell.
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"The new species are mid-sized clams - up to 40cm long and a couple of kilograms heavy," explained co-author Dr Claudio Richter, from the Alfred-Wegener Institute for Polar and Marine Research, Germany.
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The new species has a distant relative, <I>T. gigas</I>, which can grow up to 1.4m long. 
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