Raiamas senegalensis is found in western Africa as far east at the Nile basin. It is found in the basins of the
Nile,
Lake Chad,
Niger,
Gambia,
Senegal,
Volta and the coastal basins of Sassandra, Bandama, Comoé, Tano, Pra, Ouémé, Ogun and Sanaga, which seems to represent its southern distributional limit; it is also known from the
Cross River in
Cameroon. This means that the countries this species has been recorded in are
Benin,
Burkina Faso, Cameroon,
Central African Republic,
Chad,
Egypt,
Ethiopia,
Gambia,
Ghana,
Guinea,
Ivory Coast Mali,
Niger,
Nigeria,
Senegal,
Sudan and
Togo. ==Habitat and ecology==