400 year-old shark questioning was confirmed Greenland sharks apparently can live more than 500 years the Guardian sharks can live for over 200 years the Guardian Greenland sharks apparently can live more than 500 years Greenland sharks grow very slowly: explicó 400-year-old Greenland shark is oldest vertebrate animal the Guardian ici Greenland sharks apparently can live more than 500 years The Guardian 400-year-old Greenland shark is the oldest vertebrate animal said shark was confirmed said said explicou Greenland sharks apparently can live more than 500 years the Guardian The Guardian said questioning