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The Greenland shark is one of the largest known extant species of shark, with adults growing to around 400 to 500 cm. [9] The largest confirmed specimen measured up to 6.4 metres (21 ft) long and weighed around 1,023 kilograms (2,255 lb).
The Greenland shark takes 150 years to reach sexual maturity, with some sharks living up to 400 years. [ 11 ] [ 12 ] [ 13 ] Due to this, hunting of the Greenland shark is unsustainable and is slowly leading to the potential extinction of the species.
The Greenland shark had been estimated to live to about 200 years, but a study published in 2016 found that a 5.02 m (16.5 ft) specimen was between 272 and 512 years old. [ 75 ] [ 76 ] That makes the Greenland shark the longest-lived vertebrate.
Along an icy coast of Greenland, locals spotted the body of a rarely seen deep-sea creature. Wildlife officials identified the stranded animal as a 100-year-old shark.
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US President-elect Donald Trump says owning the Arctic island is vital for national security, but experts say he may also be eyeing other aspects of Greenland such as its trove of natural resources
Scientists say Greenland sharks are now known to be the longest-living vertebrates on Earth, after researchers at the University of Copenhagen, using radiocarbon dating, determined the ages of 28 of the animals, and estimated that one female was about 400 years old. The former vertebrate record-holder was a Bowhead whale estimated to be 211 ...
The shark is believed to be an ancestor of the great white shark. It is now extinct, but its teeth once spanned up to 8.9 cm (3.5 inches) in length, while adults could grow to near seven meters in ...