Warning! This article may contain spoilers of an episode that is unaired or has yet to air in the United States. Do not continue reading if you wish not to be spoiled.
Firejellies are a type of jellyfish that appear in the episode "Swamp Mates." They are the undersea equivalent of fireflies.
They are small, gold jellyfish. Their stings are much more heavy than those of regular jellyfish.
Role in episode
While Bubble Bass and Patrick get lost in the swamp, the former gets stung by a couple of firejellies for a few seconds until Bubble Bass coughs them out.
"Patrick! You're spraying the camera with Cheese Fizz!"
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