Research Article

Sexual Shape Dimorphism of the Mangrove Crab Ucides cordatus (Linnaeus, 1763) (Decapoda, Ucididae) Accessed through Geometric Morphometric

Table 2

Ucides cordatus (Linaeus, 1763): statistical results for comparison of shape variation between males and females.

AnalysisParameters

MANOVA*SSdfPillai’s trace

C0.0252167.04<0.010.61
AR0.0049163.61<0.010.43
MC0.07271625.35<0.010.87

DFAPrc dist

C186.67<0.01<0.012.490.0304
AR86.68<0.01<0.011.710.0145
MC263.42<0.01<0.015.040.0455

MANOVA, multivariate analysis of variance; DFA, discriminant function analysis; SS, sum square; df, degrees of freedom; , Hotelling’s test; , Mahalanobis distance; Prc dist, Procrustes distance; dorsal area of carapace, C; outer face of the major cheliped, MC; and anterior region of cephalothorax, AR.
*Represented only shape results.
**Significance value to permutation tests under Procrustes distance among groups.