<P> Most salmon are anadromous , a term which comes from the Greek anadromos , meaning `` running upward '' . Anadromous fish grow up mostly in the saltwater in oceans . When they have matured they migrate or `` run up '' freshwater rivers to spawn in what is called the salmon run . </P>
<P> Most salmon are anadromous , a term which comes from the Greek anadromos , meaning `` running upward '' . Anadromous fish grow up mostly in the saltwater in oceans . When they have matured they migrate or `` run up '' freshwater rivers to spawn in what is called the salmon run . </P>
where do salmon spend most of their lives
where do salmon spend most of their lives
in the saltwater in oceans
in the saltwater in oceans