The Nomura’s Jellyfish, scientific name Nemopilema nomurai, is another very big and heavy species, weighing up to 440 pounds (200 kg). Its bell can grow up to 6.6 feet (2 meters) wide ...

There’s evidence to suggest that the comb jellyfish was the first animal to appear on Earth some 700 million years ago.

World Jellyfish Day highlights the ecological role and fascinating traits of jellyfish, urging for awareness and conservation ...

Craspedacusta sowerbii are the only known species of freshwater jellyfish, according to the National Park Service. The small ...