Sometimes they can be deadly.

Another jellyfish attacked her Portuguese men of war.

It's just a you know, it's a deadly rip on some places.

Consider them an invasive species, a fish invasion.

Why swimmers being very, very careful?

But not all jellyfish are dangerous.

Some are even edible.

Jellyfish have long been part of diets in Asia, there so widely consumed that £7 million of jellyfish are harvested from the state of Georgia and exported to China and Japan every year.

Fat, squishy jelly bones In China, they're mostly eaten as an appetizer, just a treat.

It's similar to college, a bit crunchy, but only certain types of jellyfish are edible.

This one does sting that people eat the belle of the jellyfish.

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This is Joe Shoy.

He's the owner of a seafood farm in eastern China, where he manages over 1600 acres of water breeding, shellfish and jellyfish.

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Uh, it's the perfect location to raise jellyfish.

Most edible jellyfish are estrogen, which means they thrive where the river meets the sea.

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It takes 60 days for the larvae to grow into full jellyfish.

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They're harvested when there are about £130 or higher.

Then they're washed and pickled, imitating the street from China.

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During this process.

The jellyfish is texture goes from jelly, like to robbery.

It's the alum that makes the jellyfish firm.

It also acts as a disinfectant.

Salt reduces the water content and stops bad bacteria from growing pence.

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It's then put in a brine and packaged way.

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So how do you eat it?

Cut it into pieces.

Oh, a whole.

You know, the o e o a hook.

But, uh, most people enjoy jellyfish for its crispy texture.

It often takes on the flavor of whatever marinade is put on it, such as vinegar or oil.

Everyone knows what jellyfish is, but people just don't know how to cook it.