Safari Ltd Life Cycle Of A SalmonSafari Ltd Life Cycle Of A Salmon Salmon undergo a long journey during their life, hatching from eggs in freshwater streams, growing up into adult fish, and then swimming out to the ocean to live most of their lives in salt water. When they are old enough to mate, they begin the long journey back to the streams from which they hatched, where they will spawn and, in most case, die. Salmon are anadromous fish, meaning they are born in freshwater and