All Horansi have excellent vision in low-light conditions, but only the Mashi Horansi are nocturnal. Horansi have an atypical activity cycle, with alternating peroids of rest and activity, normally four to six hours long.

Horansi sub-species can cross breed, but these occurrences are rare, primarily due to cultural differences. The Gorvan Horansi are an exception, and have been known to forcibly take wives from other Horansi.

Despite the industrial development being carried out on Mutanda by such corporations as BlasTech and Czerka, most Horansi communities find it more satisfying to retain a primitive and war-like lifestyle. They don't want to unite their people; instead they are manipulated by petty criminals, local corporations, poachers, and powerful tribal leaders. Offworlders occasionally come to Mutanda to hunt the Horansi for their gorgeous pelts.

Lone, solitary, sleek, and black, the Mashi Horansi stalk the small jungles of Mutanda with great cunning. They are the only species of Horansi that remains nocturnal like their ancestors, and thus have a great advantage over the other Horansi races. They are very quiet and rarely, if ever, seen by any but the most skilled of scouts and hunters. They mate once for life and the males raise the young. Because of their beauty, stealth, and rarity, their skins are the most prized of all Horansi.

Mashi Horansi make use of technology when it is convenient, but are still uncomfortable with many aspects of it. The Mashi who have moved into the industrial enclaves have adapted well, discovering a natural aptitude for many skills.

Solitary and superstitious, Mashi Horansi are unpredictable. They are the prime target of poachers on Mutanda and accept this with a mixture of resignation and pride. A Mashi feels that if he must be the traget of hunters, he will take a few with him.