Once the experienced fish re-enter rivers to spawn, they change in colour and appearance. Some populations of this fish only migrate to large lakes, and so are "landlocked", expending their full lives in freshwater. These populations are uncovered throughout the range of the species. In contrast to Pacific species of https://lukasqnfjl.blogerus.com/54286355/fresh-atlantic-salmon-fillet-walmart-no-further-a-mystery