Firejellies are a type of jellyfish that appear in the episode "Swamp Mates." They are the undersea equivalent of fireflies.


They are small, glowing jellyfish. Their stings are much more potent than those of regular jellyfish as shown on Bubble Bass's tongue.

Role in episode

While Bubble Bass and Patrick get lost in the swamp, the former gets stung by a couple of firejellies that came out of Patrick's nose for a few seconds until Bubble Bass coughs them out.



Jellyfish (VE)

JellyfishFriendBig LennyQueen jellyfishKing jellyfishBlue jellyfishJelliensJellien LeaderDragon jellyfishBlack jellyfishSparkyGreen jellyfishGhost jellyfishBlue-Crested BlasterSpeckled SquirterDiamond JellyfishGlowing Three-SpotDoodle JellyfishMagma jellyfishSteel jellyfishGolden jellyfishGold-Throated SingerTwo-Fisted JumperPink-Tuft Finger StingerGiant white jellyfishLavender jellyfishFive-Spotted jellyfishGolden JellyfishGray jellyfishRed jellyfish (Revenge of the Flying Dutchman)Ol' BessyJellybeeJelly Buzz-SawsGiant jellyfishFirejellies

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