Kamis, 14 Mei 2009

Blue Shark

by dsc.discovery.com

Beautiful and elegant are not words often associated with sharks, but they seem appropriate for the sleek blue shark. Its streamlined, indigo-blue body seems to move effortlessly from the surface to the deep sea that it favors. Its large pectoral fin and other appendages help with navigation, but its secret to buoyancy is a giant, oil-filled liver. This makes it easier for the shark to travel incredibly long distances. One tagged blue shark traveled from New York to Brazil, a distance of over 3,740 miles.





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