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 ...

The Mississippi River floodplains are home to one of Earth’s most impressive river monsters: the alligator gar. Known to science as Atractosteus spatula, it is the largest of the gar species alive ...

The coelacanth is known as a “living fossil” because its anatomy has changed little in the last 65 million years. Despite being one of the most studied fish in history, it continues to reveal new ...

In Cuba, scientists are urgently working to save the manjuari, a “living fossil” fish as ancient as the dinosaurs, but now at risk of disappearing due to pollution and climate change. This unique fish ...

The sturgeon is an ancient and iconic species of fish. Long and bony, with a body covered in armored plates known as scutes, the sturgeon has been called a “living fossil” with evolutionary roots ...

Life on our home planet dates back to hundreds of millions of years before the arrival of the dinosaurs. Among the most ...

Ancient lungfish fossils show how early fish evolved features that eventually allowed animals to leave the water and adapt to life on land.