What is the largest known jellyfish on Earth?

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The lion's mane jellyfish is the largest known species of jellyfish on Earth. It's also known as the giant jellyfish or the hair jelly.

Scientific name: Cyanea capillata


But how large it is?

With tentacles up to 190 feet (57.91 meters) long and a bell diameter of almost 7 feet (2.13 meters) wide, some individuals even rival in size the blue whale (Source: OCEANA)





Lion's Mane Jellyfish. Image credit: Dan Hershman (Source: Flickr)