This is the page about Blue Jellyfish. If you were looking for the article about character that is this species, then see Friend.
Blue Jellyfish

Blue Jellyfish

Blue jellyfish in SpongeBob's Atlantis SquarePantis

Colors: Blue with dark blue spots
Kingdom: Animalia (Animal) (WP)
Phylum: Cnidaria (WP)
Subphylum: Medusozoa(WP)
Series Information
First appearance: "Tea at the Treedome"
List of species

Blue Jellyfish are a rarely seen color variant of jellyfish and are thought to be a rare class of jellyfish.


Blue jellyfish are very rare. They are known to be very agile and stealthy, and they create blue jelly instead of pink like the pink jellyfish. SpongeBob (eventually) captured one called "No Name" in the episode "Jellyfish Hunter" and named him "Friend" before releasing him and giving him a "handshake."



Blue jellyfish are often seen in Jellyfish Fields.


  • So far, Blue Jellyfish are the only known jellyfish that can create blue jelly.
  • Blue Jellyfish are likely one of the rarest breeds of jellyfish in Bikini Bottom and Jellyfish Fields.

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