Oldest Greenland shark is over 500 years old?
The oldest Greenland shark found is over 500 years old. https://www.nationalgeographic.de/tiere/2020/11/ Averagesalter-272-jahre-kein-viertier-wird-aelter-als-diese-haie According to studies of these animals, their brains show little signs of aging even after 200 years. They reach sexual maturity at 150 years of age. What will be the maximum age these sharks can reach?