This shark's older than the Mayflower

Seriously, this ancient shark has been around way longer than you think

By Smartasaurus· 1 min read Curious

There are sharks circling the North Atlantic right now that were…

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The short version

Seriously, this ancient shark has been around way longer than you think
Finding their age is a macabre process.
Because they move so slowly, they were once thought to be scavengers, but they have been found with entire seals in their stomachs—none of which sh…

There are sharks swimming in the North Atlantic today that were alive when Galileo was looking through his first telescope. The Greenland shark can live for at least 250 to 500 years.

They achieve this by living life in slow motion. They reside in waters so cold they hover near freezing, which slows their metabolism to a crawl. They grow only about one centimeter per year, meaning they don't even reach puberty until they are roughly 150 years old.

Finding their age is a macabre process. Because they don't have hard bones that grow rings like trees, scientists have to look into their eyes. The proteins in the center of their eye lenses are formed at birth and never change. By carbon-dating these core proteins, researchers discovered individuals that likely saw the 17th century.

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