It is made up of a few tens of thousands of fishermen living around the Niger River.
Biton Coulibaly entrusted them with a war fleet to expand his kingdom in the 18th century.
In principle, they extended from Bamako to Dioro, but some settled in Conakry at the beginning of the 20th century.
The Somono are highly skilled in pottery and canoe construction, and also traditionally master ironwork, which makes them indispensable to the Bozos.
The Somono adopted the Islamic traditions following their conquest by the Toucouleurs of Omar Saidou Tall.