Found in Japan Nomura’s Jellyfish can grow up to 2 meters (6 feet 7 inches) in diameter and weigh up to 220 kilograms (450 pounds).Imagine if it touches you, you'll probably be paralyzed by it's electrifying stings or maybe worse-even dead.Those were the biggest jellyfish I've ever seen.Though they looks like the beauties of the sea, they threatens Japan's fishing industry.