"In 2016, a study […] determined by radiocarbon dating of crystals within the lens of their eyes that the oldest of the animals that they sampled, which also was the largest, had lived for 392 ± 120 years and was consequently born between 1504 and 1744." https://en.wikipedia.org/wiki/Greenland_shark …
"shark has the lowest swim speed and tail-beat frequency for its size across all fish species, which most likely correlates with its very slow metabolism and extreme longevity". Life is a marathon
