MELBOURNE, Australia -- An ungainly barrel of a shark cruising languidly over a barren seabed far too deep for the sun's rays to illuminate was an unexpected sight. Many experts had thought sharks ...
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Rare Greenland shark that washed up in Sligo could be 150 years old
The Greenland shark has the longest known lifespan of all vertebrate species, living up to 500 years in some cases.
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