Table 1 Principal component axes of five phenotypic characteristics of the Pacific leaping blenny

Males, N_{individuals, populations} = 94, 5

Body size*

.98

.04

.04

-.18

.11

Head crest size*

.94

.08

-.03

.32

.01

Dorsal fin, area

.98

.09

.00

-.13

-.12

Dorsal fin, proportion coloured

-.14

.78

.61

.01

.00

Dorsal fin, "reddness"*

-.12

.79

-.60

-.02

.01

Eigenvalue

2.84

1.25

.74

.15

.03

Cumulative variance explained (%)

56. 7

81.6

96.4

99.4

100.0

Females, N_{individuals, populations} = 97, 5

Body size*

.92

-.33

.09

-.16

Dorsal fin, area

.90

-.39

.09

.16

Dorsal fin, proportion coloured

.61

.66

.43

.01

Dorsal fin, "reddness"*

.71

.36

-.61

.00

Eigenvalue

2.54

.83

.58

.05

Cumulative variance explained (%)

63.5

84.3

98.8

100.0