A membibi was a non-sentient insect-eating creature with four legs, originating from the rocky terrain of the planet Ansion. These creatures possessed a pale white body marked with spots, a snout that extended low from its face, and a long, whip-like tail.
During 22 BBY, Jedi Master Luminara Unduli along with her Padawan, Barriss Offee, and Jedi Knight Obi-Wan Kenobi accompanied by his Padawan Anakin Skywalker, encountered membibis during a mission on Ansion. In one instance, a membibi was making its way from its den to a burrow, running upwind when a poisonous, carnivorous chawix plant, blown by the wind, landed on its back. The chawix then used its thorny poison that affected the nervous system to paralyze and ultimately kill the membibi. One of the Jedi's Alwari guides expressed a wish for his former employer, Soergg the Hutt, to suffer a similar fate but with twelve chawix plants instead of one, to account for Soergg's size.
The membibi made its debut appearance in The Approaching Storm by Alan Dean Foster, which was published on January 29, 2002. Later, it received a mention within The Complete Star Wars Encyclopedia.