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 largest jellyfish, the lion's mane jellyfish. As Gizmodo reported, the footage ...

Collins said he will never forget the moment when he was diving in British Columbia and looked over his buddy’s shoulder only to see a large lion’s mane jellyfish in person. “That was the first moment ...