Differences in organotin accumulation in relation to life history in the white-spotted charr Salvelinus leucomaenis

► Otolith Sr:Ca ratios in sea-run type were higher than those in freshwater-residents. ► TBT and TPT concentrations in sea-run type were higher than those in freshwater-residents. ► Sea-run type have higher risk of TBT and TPT than freshwater-residents in white-spotted charr.