For many decades, Nannocharax luapulae has been considered to be widespread in the southern part of the Upper Congo basin. However, meristic, morphometric and cytochrome c oxidase subunit I (COI) barcoding evidence revealed that its geographical distribution is restricted to the Luapula‐Moero basin. The populations of the Upper Lualaba are assigned to a new species, N. chochamandai . This new species, though highly similar to...