Weird ‘Living Fossil’ Fish Lives 100 Years, Pregnant for 5 Years

Visitors look at a coelacanth exhibit at the Natural History Museum in Paris, France, on March 21, 1954. Pierre Godot/AP Photo

The coelacanth—a giant weird fish still around from dinosaur times—can live for 100 years, a new study found.

These slow-moving, people-sized fish of the deep, nicknamed a “living fossil,” are the opposite of the live fast, die young mantra. These nocturnal fish grow at an achingly slow pace.