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Greenland Sharks Can Live 500 Years and Counting

Scientists decipher the ages of Greenland sharks using radiocarbon dating.

Live slow, die old. That’s the way of Greenland sharks.

These behemoths putter through Arctic waters at roughly 1 mile per hour, growing less than a pinky’s width per year. Yet adults reach lengths of 16 feet,
suggesting the sharks have long lives.

The first study to measure their ages, published in August in Science, revealed extraordinary longevity. Greenland sharks can live upward of 500 years,
reaching sexual maturity around 150. This ranks them among the oldest invertebrate…


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