Fig. 2. Principal component analysis (PC1 and PC2) of carapace outline for male (black circles) and female (empty circles) Carcinus maenas. On the bottom, the carapaces' outlines (a: males; b: females) show extremes of shape variation along PC1.
Fig. 2. Principal component analysis (PC1 and PC2) of carapace outline for male (black circles) and female (empty circles) Carcinus maenas. On the bottom, the carapaces' outlines(a: males; b: females) show extremes of shape variation along PC1.