Reports coming out of Orange County, in Southern California, suggest that a rare giant jellyfish ... The black jellyfish (Chrysaora achlyos, also called the black sea nettle) is huge, with ...

Despite its name, the black sea nettle (Chrysaora achlyos ... deep in the Pacific off Southern California and is a giant among jellyfish. Its bell can reach three feet in diameter, its arms ...

But the big surprise was finding adults of a species of jellyfish known as Chrysaora melanaster. The bell of this type of jellyfish can reach 24 inches (60 centimeters) across, with its two dozen or ...

This jelly giant happily ... But jellyfish, delicate and soft as they may be, thrive even in places you might not go swimming—including the Arctic. Take the Chrysaora melanaster.

Scientists who have been piloting a new remote submarine have filmed spectacular footage of a giant 'phantom jellyfish' lurking in the deep blue of Monterey Bay, California. The giant predator was ...

Cruise ships’ submersibles play an important role in biological research in polar waters—including providing three encounters with the rare giant phantom jellyfish—according to a just ...