Greenland shark
Species of shark
The Greenland shark (Somniosus microcephalus), also known as the grey shark or gurry shark, is a large shark of the family Somniosidae ("sleeper sharks"), closely related to the Pacific and southern sleeper sharks. Inhabiting the North Atlantic and Arctic Oceans, they are notable for their exceptional longevity, although they are poorly studied because of the depth and remoteness of their natural habitat. Greenland sharks have the longest lifespan of any known vertebrate, estimated to be between 272 and 510 years.
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