But the lion’s mane jelly isn’t just a certified Long Boi; according to Guinness World Records, it’s also the heaviest ...

The UK’s largest Jellyfish has been caught on camera in Falmouth Bay after a absence of many years by wildlife photographer Adam Whitney. The Barrel Jellyfish was first spotted on May 7 just off ...

An underwater videographer has just published mesmerizing footage of the world’s largest, longest, and heaviest known jellyfish species—a lion’s mane jelly. “Several minutes into the dive, I noticed a ...

Diver and underwater videographer John Roney shared mesmerizing footage from his last dive — a close-up of the world's ...

Britain is seeing a 'remarkable' surge in numbers of frilly–mouthed jellyfish, the largest jellyfish known to these shores. There were 310 sightings of the species around Britain and Ireland in the ...

SOUTH PORTLAND, Maine - Beachgoers in South Portland, Maine, came upon a curious sight over the weekend, when they spotted a large, orange-red jellyfish lurking in the shallow water. Known as a Lion’s ...

A rare and elusive deep sea creature was captured on camera by a high-tech remote submersible in Monterey, CA. The massive, 33-foot “phantom jellyfish” — a darkly colored being with ribbon-like “mouth ...