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. 2019 May 11;36(9):1902–1920. doi: 10.1093/molbev/msz114

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© The Author(s) 2019. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2. — PCAs of morphological (a, b), habitat (c), RNAseq oocytes (d), and RNAseq livers (e) data. Individuals belonging to respective biotypes are marked by colors as indicated in the legend. Arrow labeled as “eratio” indicates the direction of fitted gradient defined by the proportion of Cobitis elongatoides genome in hybrid forms. Ellipses denote the confidence interval of the position of centroid for given biotype. Dotted shapes represent convex hulls enclosing positions of all individuals for given biotype. Explained variability of axes were in panels a and b: PC1 = 31.70%, PC2 = 22.46%, and PC3 = 11.27%; in panel c: PC1 = 44.21% and PC2 = 28.35; in panel d: PC1 = 28.84% and PC2 = 13.43%; and in panel e: PC1 = 23.07% and PC2 = 14.66%.