Study the long-lived Greenland sharks inhabiting the Arctic Ocean and North Atlantic
![Study the long-lived Greenland sharks inhabiting the Arctic Ocean and North Atlantic](https://cdn.statically.io/img/cdn.britannica.com/32/195432-138-A80A120F/Greenland-shark-Overview-more-life-span.jpg)
Study the long-lived Greenland sharks inhabiting the Arctic Ocean and North Atlantic
Overview of the Greenland shark (Somniosus microcephalus), which is the longest-lived vertebrate known, with a life span of 400 years or more.
Encyclopædia Britannica, Inc.