Scientists discover a 400-year-old Greenland Shark

400-year-old greenland sharkA team of international researchers using special technology says it has found that Greenland Sharks can live as long as 500 years, making this type of shark the longest-lived vertebrate known on Earth.

This species is large yet slow-growing, about 1 cm per year and researchers conclude that the species reaches maturity at about 150 years of age.

The researchers used radiocarbon dating to determine the ages of 28 of the creatures, and estimated that the oldest and the biggest one (5 meters) was about 400 years old – possibly even up to 500 years old.

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