The planet's poison jungles and thick swamps were home to vicious creatures and poisonous plants which were used as killing mechanisms by gangsters and other underworld figures. In particular, the kouhun was favored by assassins, such as Zam Wesell, during the time of the Galactic Republic.
- Star Wars: Attack of the Clones: The Visual Dictionary (First mentioned)
- The New Essential Guide to Droids
- The New Essential Guide to Alien Species
- The Complete Star Wars Encyclopedia
- Star Wars: The Official Figurine Collection 48 (Toxic Killers: Kouhuns)
- The Essential Atlas
- Star Wars: The Official Starships & Vehicles Collection 31
- Star Wars: What Makes a Monster?