Greenland Shark is Longest-Lived Vertebrate Species
![By NOAA Okeanos Explorer Program [Public domain], via Wikimedia Commons](http://static1.squarespace.com/static/5df5562d4c1bf307fe3fe684/5df556ecd2850c3689fc00a1/5df55745d2850c3689fc1105/1576359749029/Somniosus_microcephalus_okeanos.jpg?format=original)
The longest-lived vertebrate on Earth is the Greenland shark. These giant fish can live for hundreds of years and don't reach sexual maturity until they are 150 years old.Read about the research that lead to this discovery: 272-Year-Old Shark is Longest-Lived Vertebrate on Earth.