Table 6

Principle components analysis of loading scores for 10 morphological characters

PC1

PC2

Standard Length

-0.08

0.95

Head Depth

0.14

0.79

Head-Eye Length

-0.11

0.93

Pelvic Spine Length

0.90

-0.17

Anal Spine Length

0.85

0.12

Anterior Dorsal Spine Length

0.92

0.10

Middle Dorsal Spine Length

0.92

0.11

Posterior Dorsal Spine Length

0.91

0.13

Pelvic Girdle Length

0.49

0.74

Pelvic Girdle Width

0.13

0.83

Proportion of variation explained

47.7

32.9

Proportion of variation explained by each axis is shown. See text and Figure 6 for measurement descriptions.

Mobley et al. BMC Evolutionary Biology 2011 11:287   doi:10.1186/1471-2148-11-287