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Swim with the Greenland shark, a slow Arctic giant that can live for centuries in the deep cold.
Meet the Greenland shark and learn how slow growth, cold water, and deep-sea biology support an astonishing lifespan.
FAQs
Why can Greenland sharks live so long?
Greenland sharks live in very cold deep water and grow extremely slowly. Their slow metabolism and cold habitat likely support their extraordinary lifespan.
How do scientists estimate a Greenland shark's age?
Scientists have used radiocarbon dating of proteins in the eye lens, because the lens preserves clues from early life.
How old can Greenland sharks get?
Research suggests some Greenland sharks may live for centuries, possibly around 400 years or more. Exact ages are estimates, not birthday records.
Why do Greenland sharks move so slowly?
Cold water slows body processes, and these sharks are adapted for deep Arctic life. Moving slowly can save energy where food may be limited.