1,300 (2000 census).
East Sepik Province, Ambunti district, Wogamus river basin foothills. Saniyo dialect: Pukapuki, Sio, Hanasi, Salunapi, and Malapute’e villages; Hiyowe dialect: Maposi village.
Hiyowe (Hiowe), Saniyo (Sanio). Reportedly similar to the Meiyari dialect of Niksek [gbe].
Used as L2 by Yawiyo [ybx].
Latin script [Latn].