a commercially important Pacific salmon (Oncorhynchus nerka) that is greenish blue above and silvery below when sexually immature and turns red with a greenish head when ascending rivers to spawn which it does chiefly from the Columbia northward
<a href="https://en.wikipedia.org/wiki/Pearson_Scott_Foresman" class="extiw" title="en:Pearson Scott Foresman">Pearson Scott Foresman</a>
This file has been <b>extracted</b> from another file