International Journal of Marine Science, 2017, Vol.7, No.5, 37-50
45
Table 2 The principal component (PC) scores generated for morphometric distances
Characters
PC1
PC2
Standard Length (
SL
)
0.19189491
0.18706000
Body Height (
BH
)
-0.06534969
0.26335668
Head Length (
HL
)
-0.30935799
0.38143347
Head Height (
HH
)
-0.25684517
0.47051805
Caudal Peduncle Length (
CPL
)
-0.38755993
-0.23829786
Caudal Peduncle Depth (
CPD
)
-0.40340784
-0.18310967
Snout Length (
SnL
)
-0.05137738
0.52537615
Eye Diameter (
ED
)
-0.39482192
0.20512409
First Dorsal fin Length (
FDL
)
-0.28997781
-0.14381773
Second Dorsal fin Length (
SDL
)
0.01742135
0.04594676
Pelvic Fin Length (
PvFL
)
0.18290621
0.26986891
Pectoral Fin Length (
PFL
)
-0.30774821
-0.12853820
Anal Fin Length (
AFL
)
-0.33647453
-0.09064295
Note: Variables with high loadings on the PCs are marked as bold-italics
Figure 4 The bivariate plots of PC1 and PC2 from the Principal Component Analysis (a) plots showing the clusters based on
sampling locations (b) plots showing the clusters based on sex of the individuals
Note: The ellipses show the confidence limits with coverage of 90% of the observations in a subgroup