Africa: middle and upper Congo River basin, including the Sankuru, Ruki, Mongala, Itimbiri, Aruwimi, Tshopo and Lualaba drainages, in Democratic Republic of the Congo (Ref. 59344)
Definition: length from the tip of the snout to the tip of the longer lobe of the caudal fin, usually measured with the lobes compressed along the midline. It is a straight-line measure, not measured over the curve of the body