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In the freezing waters of the Arctic a toothed leviathan – the Greenland shark - claims an impressive feat. It now holds the record for longest documented lifespan of any vertebrate. The new discovery points to an age of roughly 400 years, meaning that some sharks swimming in today’s Arctic ocean may have shared the waters with explorers like Henry Hudson as he searched for the elusive Northwest Passage in the early 1600s.
Little is known about Greenland sharks, and even shark...
