Space worms were creatures known for their consumption of beings possessing sentience. Following the capture of an X-wing starfighter, which was being piloted by the astromech droid R2-D2, a Stormtrooper Commander from the containment team observed the absence of a pilot in the ship. This led him to theorize that the pilot had abandoned the vessel and was adrift within the Monsua Nebula, becoming food for the space worms.