12/19/2025
n an astonishing discovery, scientists have confirmed that a shark born in the 1600s is still alive today, making it older than modern inventions like cars, electricity, and even the United States itself. This remarkable creature is a Greenland shark, a species known for its slow growth and incredible longevity, and it holds the record as the oldest living vertebrate on Earth.
Researchers used radiocarbon dating of eye tissue to estimate the shark’s age, revealing it has survived for over 400 years in the icy depths of the Arctic and North Atlantic Oceans. The shark’s slow metabolism, low activity levels, and cold-water habitat have contributed to its extraordinary lifespan, allowing it to quietly outlast centuries of human history.
This discovery gives scientists an unprecedented glimpse into long-term vertebrate biology, including insights into aging, metabolism, and resilience in extreme environments. Greenland sharks grow less than one centimeter per year, meaning this ancient individual likely started life centuries before the Industrial Revolution and has witnessed more historical change than any human could imagine.
The find highlights the incredible diversity of life on Earth and reminds us that some species operate on timescales far beyond our daily understanding. As researchers continue studying this living relic, it offers both awe and inspiration—a silent, swimming witness to the passage of centuries beneath the waves.