The Greenland shark grows about one centimetre a year, does not reach sexual maturity until around age 150, and a specimen carbon-dated by Danish researchers in 2016 was estimated to be at least 272 years old, meaning it was already swimming the North Atlantic when Mozart was composing symphonies. Saving Tips June 9, 2026 When marine biologist Julius Nielsen pulled the lens from the eye of a five-metre Greenland shark in his Copenhagen lab,…
