Proportion and test results of SNPs in the mesocosm experiment.

Results of Wilcoxon signed rank tests that compared the actual mean of Oropuche allele frequencies estimated at four different loci with 14 SNPs (in per cent) to a theoretical value that would have been expected according to the initial proportions of Guanapo and Oropuche fish when the error due to not completely homozygous markers is taken into account. 95% CI were obtained by bootstrapping (n = 1000).