Medaurus was the protective deity of the town of Rhizon (Latin Risinium, modern Risan) on the Bay of Kotor in present-day Montenegro. He is portrayed as a warrior on horseback brandishing a spear, an image rooted in the strong equestrian and martial traditions of the southern Illyrians. His fame travelled with the soldiers of his homeland: at Lambaesis in Numidia, the headquarters of the Legio III Augusta, a legate who was himself a native of Risinium set up a metrical Latin dedication (CIL VIII 2581) describing an equestrian statue of the god, his left hand spurring the horse upward while his right hand hurls the spear, almost certainly a replica of a monumental statue that stood in Risinium itself. Carried by frontier troops, Medaurus functioned as a warder-off of enemies, a role that scholars have compared to that of Jupiter Depulsor.