Lamml, M. & Kramer, B. Allopatric differentiation in the acoustic communication of a weakly electric fish from southern Africa, Marcusenius macrolepidotus (Mormyridae, Teleostei). Behavioral Ecology and Sociobiology 61, 385 - 399 (2006).

Wells, J. K. & Crampton, W. G. R. A portable bio-amplifier for electric fish research: design and construction. Neotropical Ichthyology 4, 295-299 (2006).

Arnegard, M. E., Jackson, B. S. & Hopkins, C. D. Time-domain signal divergence and discrimination without receptor modification in sympatric morphs of electric fishes. Journal of Experimental Biology 208, 2182-2198 (2006).

Feulner, P. G. D., Kirschbaum, F., Mamonekene, V., Ketmaier, V. & Tiedemann, R. Electrophysiological and molecular genetic evidence for sympatrically occuring cryptic species in African weakly electric fishes (Teleostei: Mormyridae: Campylomormyrus). Biology Letters Evolutionary Biology 39, 198-208 (2006).