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I love see food, but looks kinda gross, doesn't it? lol

Not really, when it's well cooked/grilled/done ;)

I just had to google if jelly fish is edible :)

Is it?

Rhopilema esculentum and Rhopilema hispidum are edible jellyfish, and are the most common ones consumed in China, Japan and Korea.

source: https://en.wikipedia.org/wiki/Jellyfish_as_food