By Harshit
October 22, 2025
Dubbed the sea’s Benjamin Button, this tiny creature can achieve biological immortality.
It resets its cells to a juvenile state, continuously renewing its life cycle.
It ranks among the longest-lived creatures on Earth.
They thrive in cold, still waters, growing slowly in a way that helps them resist aging.
Famous for their spiky fins, these deep-sea dwellers can live for more than 200 years.
Rougheye rockfish inhabit the cold North Pacific, and their slow growth helps them achieve remarkable longevity.
Originating from Japan, these vibrant and resilient fish can live for over 100 years.
This majestic Arctic sea creature, known for its distinctive bow-shaped head, can live over 200 years.
Greenland sharks, the longest-lived vertebrates ever discovered, can live for more than 500 years.
Certain black coral colonies can survive nearly 4,000 years, serving as natural timekeepers of seafloor changes.