In the Canadian Okanagan basin most of the small chinook that have been caught in Osoyoos Lake have been identified as two-year-olds (i.e., 1+) (ONAFD, unpublished data, 2005). ###>100 de reproducteurs de 5 ans (1 mâle et 1 femelle). On ne dispose d'aucune donnée sur la fécondité du chinook de l'Okanagan.