Bryan Nelson is a science writer and award-winning documentary filmmaker v over a decade of experience spanning technology, astronomy, medicine, and more.

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Possibly the world's longest jellyfish, the lion's mane jelly has a powerful sting.Boris Pamikov / Shutterstock

Some jellyfish space so tiny they are almost invisible floating in the ocean"s currents, and also the smallest space those in the genera Staurocladia and Eleutheria, which have actually bell disks from simply 0.5 millimeters to a couple of millimeters in diameter. By contrast, the world"s largest jellyfish are true monsters. The lion"s mane jellyfish, Cyanea capillata, could be the world"s longest, through tentacles the can extend as much as 120 feet (37 meters)! however the maybe the world"s biggest jellyfish through weight and also diameter is the titanic Nomura"s jellyfish, Nemopilema nomurai, which can dwarf a human diver. This beasts deserve to have a bell diameter that 6.5 feet (2 meters) throughout and sweet as lot as 440 pounds (200 kilograms).


11. Some room Edible

You won't find them on many restaurant menus, however jellyfish space edible and also are consumed as a delicacy in part places, such as in Japan and Korea. In fact, in Japan jellyfish have actually been transformed into candy. A sweet and salty caramel made the end of sugar, strength syrup, and also jellyfish powder has actually been produced by students in an effort to manipulate the jellyfish that frequently plague the waters there.

See more: How Many Cups In Pound Of Powdered Sugar ? Know It Here How Many Cups Of Powdered Sugar Are In A Box


12. They have Been to space

Though lock look quite alien, jellyfish are indeed from planet Earth. Nevertheless, they have been come space. NASA first started sending out jellyfish to space aboard the Columbia an are shuttle ago in the early 1990s come test how they can get follow me in a zero-gravity environment. Why? Interestingly, both humans and also jellyfish count on committed gravity-sensitive calcium crystals to orient themselves. (These crystals are located inside the inner ear in the instance of humans, and also along the bottom edge of the mushroom-like body of jellies.) for this reason studying just how jellyfish regulate in an are can expose clues about how people might also fare.