|| Unofficial name
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The jem jellyfish is a jellyfish that first appears in the episode "Tea at the Treedome." and "Squid's Day Off" The jellyfish also appears in the Find It! sound book.
The Jem Jellyfish looks like an ordinary jellyfish except that they are covered with jem and look more shiny.
|| "Octavius Rex, a.k.a. long, tan, and handsome!"