Similar title to Nevado, B., Fazalova, V., Backeljau, T., Hanssens, M., & Verheyen, E. (2011). Repeated unidirectional introgression of nuclear and mitochondrial DNA between four congeneric Tanganyikan cichlids. Molecular Biology and Evolution 28 (8) 2253-2267. 10.1093/molbev/msr043.