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08-11-2016, 10:33 PM
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Greenland sharks could be the world's longest-living vertebrates
   The Greenland shark, a massive creature that thrives in sub-Arctic waters, may be the oldest animal in the world, a new study finds. Researchers estimated that the sharks have an average lifespan of at least 272 years. That’s roughly six decades older than the previous contender for longest-living vertebrate: the bowhead whale. The study, published Thursday in the journal Science, sheds new light on the little-k**wn Greenland shark (Somniosus microcephalus), which is rarely observed in its natural environment. * SEE ALSO: Watch this oddly serene drone footage of basking sharks in Scotland The sharks prefer chilly waters, between 30-50 degrees Fahrenheit, and can swim down to 7,200 feet below the water’s surface. They can also clock in at around 2,220 pounds.* Read more... More about Sharks, Greenland Sharks, Nature, Animals, and Science ??????? ??????: Greenland sharks could be the world's longest-living vertebrates || ??????: rss || ??????: اسم منتداك
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