Figure 4. Scatter plot of the first principal component (PC1) vs. the second principal component (PC2).
The species from Fuxian Lake (red pentagons), Upper Pearl River (blue diamonds), Upper Yangtze River (orange dots), Mekong River (black triangles) and Salween River (green squares).
doi:10.1371/journal.pone.0061827.g004
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Table 2. Variance loadings on the first three principal components (PC1, PC2 and PC3) in the analysis of variation in external morphology for species of Percocypris among the main clades.
doi:10.1371/journal.pone.0061827.t002