Fig. 2
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Cephalon shape variation of Astacus astacus revealed by Canonical Variate Analysis. Scatter plots of the first two canonical variate axes (CV1 and CV2) with associated wireframe representations depicting shape changes along positive and negative extremes of the axes. Dark grey landmark wireframe configurations represent cephalon morphologies along negative extremes, while light grey landmark wireframe configurations represent cephalon morphologies along positive extreme. Different colour dots represent different groups: (A) genetic lineage, (B) genetic cluster, (C) river basin, (D) habitat type, with maps showing their distribution in Croatia.
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