Wildlife & Nature Which animal has a 1000 year lifespan? March 3, 2026 by Myaya | Leave a Comment The animal with a potential lifespan of 1000 years is the ocean quahog (Arctica islandica), a species of clam. These remarkable mollusks have been found to live for centuries, with some individuals estimated to be over 500 years old, and theoretically capable of reaching even greater ages. Unveiling the Secrets of the Ocean Quahog: A […] Read more ยป