Fluorescent plankton

Fluorescent plankton was a type of bioluminescent plankton that dwelled in caves. They were cited in a song called "If Only I Could Let Go and Cry."
==Behind the scenes==
Fluorescent plankton was mentioned in Monsters and Aliens from George Lucas, a book published in 1993. Lucasfilm employee Leland Chee, who maintains the Holocron continuity database, has indicated that information contained in the book is non-canonical within the Star Wars Legends continuity.
==Sources==
*Monsters and Aliens from George Lucas 
==Notes and references==
Category:Aquatic creatures
Category:Creatures of unspecified biology
Category:Creatures of unspecified diet
Category:Species of undefined sentience