Map of Ethiopia, presenting sampling sites and examined material. Sampling sites: 1–13 Main Ethiopian Rift (1–5 Lower Awash R., distribution of Enteromius yardiensis sp. nov.; 6–12 lakes and rivers in Central Main Ethiopian Rift; 13 Akaki R., type locality of E. akakianus); 14–15 Blue Nile drainage, type locality of E. pleurogramma. In blue, known populations of small-sized E. paludinosus-like smiliogastrin barbs in Ethiopia. Locations in southern Africa included in CO1 and cytb analyses in red, green, and purple. Distribution data for Ethiopian populations from Golubtsov and Berendzen (2005).