FIGURE 3 in Geographic variation in Neolamprologus niger (Poll, 1956) (Perciformes: Cichlidae) from Lake Tanganyika (Africa)

FIGURE 3. Plot of the individual scores on PC 2 and PC 3 (log-transformed measurements) of Neolamprologus niger. Polygons include the specimens originating from the three geographical groups: a northern group with populations from Luhanga (, n = 7) and Bemba (, n = 4); a central group with populations from Ubwari East (Π, n = 4) and Ubwari West (, n = 5); a southern group with populations from Yungu (Ģ, n = 2), Kabimba (, n =7) and Kalemie (☺, n =1).