F'tral was a large, oceanic planet orbiting the blue-white star F'la Ren. It was the homeworld of the tentacled cephalopods known as the Iyra. The Iyra inhabited large undersea cities and had developed many valuable technologies, including corrosion-resistant alloys and gravity well projectors and inertial devices for starships.
- Galaxy Guide 4: Alien Races
- Galaxy Guide 4: Alien Races, Second Edition
- Creatures of the Galaxy
- "Alien Encounters"—Star Wars Adventure Journal 14
- Star Wars: Rebellion: Prima's Official Strategy Guide
- The Complete Star Wars Encyclopedia