Data from: Genetic diversity of salmonid fishes in the eastern part of the Onega Peninsula, Northern European Russia.

<b>Supplementary material</b><b>Table S1. </b><i>COI </i>dataset of <i>Salmo salar</i> and <i>S. trutta</i> used for the TCS network, including information about species name, haplotype ID, specimen voucher, locality, GenBank accession number and references.<b>Table S2. </b><i>Cyt b</i> dataset of <i>Salmo salar</i> and <i>S. trutta</i> used for the TCS network, including information about species name, haplotype ID, specimen voucher, locality, GenBank accession number and references.<b>Table S3.</b> Evolutionary lineages of <i>Salmo trutta </i>used in this study, including information about each lineage, haplotype ID, specimen voucher, locality, GenBank accession number and references.