N. Unofficial name

This page contains information on a subject that does not yet have an official name. Once an official name is given to the subject or character, this template can be removed.


The jem jellyfish is a jellyfish that appears in the episodes "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 rex2
"Octavius Rex, a.k.a. long, tan, and handsome!"
This article is a character stub. You can help Encyclopedia SpongeBobia by expanding it.