Figure 5From: Sexual dimorphism and population divergence in the Lake Tanganyika cichlid fish genus TropheusDecomposition of shape variation in the style of a two-way ANOVA. The total variation of Procrustes shape coordinates (Fig. 2b) was decomposed into four components: variation of population mean shapes, the variation of sex mean shapes, variation due to the interaction population x sex, and the residual variation.Back to article page