A crustacean was a class of animal life. The Sauvax were a species of sentient crustaceans, as were the Tarc. The Worrites had both crustacean and insectoid features. The non-sentient ibliton was a cephalopod-crustacean hybrid. The suuri of Tynna were crustaceans.
- Lost Tribe of the Sith: Pandemonium (Mentioned only)
- Standoff on Leritor"—Star Wars Gamer 10 "
- Young Jedi Knights: Delusions of Grandeur
- Battle for the Golden Sun
- Galaxy Guide 4: Alien Races
- Planets of the Galaxy, Volume One
- "Glah Ubooki's Strange & Wondrous Imports"—Star Wars Adventure Journal 1
- The Star Wars Planets Collection
- "Creatures Preview"—Star Wars Adventure Journal 4
- "Alien Encounters"—Star Wars Adventure Journal 14
- Alien Encounters
- Creatures of the Galaxy
- Coruscant and the Core Worlds
- Ultimate Alien Anthology
- Strongholds of Resistance