Corpse-leeches were a species of non-sentient carnivores native to Carnelion IV. They were distinguished by their six eyes, red skin, and wings.
Corpse leeches were not native to Carnelion IV prior to the war between the Opens and the Closed. Due to the toxic gases and bio weapons that destroyed the world, many humans were mutated into Corpse-Leeches.
While on Carnelion IV, Jedi Knight Obi-Wan Kenobi , his Padawan, Anakin Skywalker, Grecker, Pran, and Kolara were attacked by corpse-leeches. Kenobi ordered Anakin to merely redirect the creatures instead of killing them, saying that they should not die simply for being in their way. However, Skywalker struggled to push them back and slew several creatures with his lightsaber.