How Long Can Mermaids Live?

Mermaids live for hundreds of years, much longer than humans but they do eventually face a natural death. It is possible that mermaids can stay young forever as when Betty got back her object of power, she became young and beautiful again.

What is the lifespan of mermaid?

red-headed color morph of H. oceanus. Mermaids grow to a length of about five and half feet and a top weight of 125 pounds. The life span is about 30 years.

How old is the oldest mermaid?

Atargatis- Atargatis is the oldest mermaid legend. She is the Assyrian goddess of the moon, water, and femininity. She was worshipped some 3000 or 4000 years ago.