Diving lessons from the world's biggest fish

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	Diving lessons from the world's biggest fish

Silkweaver

6-20-2008 8:34 PM

430 views

tags:

marine life

Silkweaver says:

I wonder how blue whales do it ?

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/72fc6a0f-1456-4004-a181-1c4aa404034f/0CBAB940-B097-4A92-A61A-C2B2C9F6E859/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.nature.com/news/2008/080618/full/news.2008.899.html" href="http://www.nature.com/news/2008/080618/full/news.2008.899.html" style="font-size: 11px;">www.nature.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nature.com/news/2008/080618/full/news.2008.899.html">Ecologists on an Australian reef spy on the secret life of whale sharks.</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://www.nature.com/news/2008/080618/full/news.2008.899.html"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.nature.com/img/BBBD33D8-3798-4C1C-863C-E5C2CBF84246" alt="whale shark and diver" /></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://www.nature.com/news/2008/080618/full/news.2008.899.html"><P>The world’s biggest fish — the whale shark — doesn’t have a reputation for speed. But researchers have discovered that although the fish seem sluggish on the surface, deep down they are deceptively fast.</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://www.nature.com/news/2008/080618/full/news.2008.899.html"><P>A research team studying male whale sharks at Ningaloo Reef Marine Park, off the coast of Western Australia, noticed they used their weight and gravity to nose-dive to the ocean floor like airborne hawks hunting for mice.</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://www.nature.com/news/2008/080618/full/news.2008.899.html"><P>“We found they are basically not using any energy to move — they are diving down in a glide like an eagle or a falcon. Because they are using no tail beats they are literally sinking,” says Brad Norman, one of the research team, from Murdoch University in Perth. </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://www.nature.com/news/2008/080618/full/news.2008.899.html"><P>But the team believes the discovery reveals how these ocean giants manage to travel across the world and find enough food to fuel their large bodies, which can measure up to 12 metres in length.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/0CBAB940-B097-4A92-A61A-C2B2C9F6E859/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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