Fig. 4 | Scientific Reports

Fig. 4

From: Scale morphometry, geometry and ultrastructure of three Nemipterus species from the Egyptian part of the Red Sea

Fig. 4

(a) Distribution of scores for the first two principal components (PC I, PC II) derived from the Procrustes coordinates of scales across the species under study. (b) Scatter plot from Canonical Variable Analysis (CVA) showing the scale shape based on coordinates (CVI, CVII). (c) CVA scatter plot illustrates the regression residuals of the Procrustes coordinates. (d) Discriminant function analysis of the CVA scatter plot based on the principal components of regression residuals derived from the Procrustes coordinates. Nz: N. zysron, Nr: N. randalli, Nj: N. japonicus.

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