Table 3: Number of dark spots below the lateral line of male and female breeders of naturalized rainbow trout population from southern Chile. Comparison of means within and between sex was not significantly different according to 2-way ANOVA (F3/112 = 0.24, P > 0.05). N = sample size.

Year 2007 Year 2012
Females
(N = 34)
Males
(N = 17)
Females
(N = 41)
Males
(N = 24)
Mean ± SD 39.7 ± 26.1 34.6 ± 34.1 39.4 ± 29.8 43.9 ± 47.9
Range 5-134 0-146 4-142 5-230
Coefficient of variation (CV) 0.66 0.98 0.76 1.09