Salmon The upriver salmon migration is one of natures most waken dramas. But to the five species of Pacific salmon (Chinook , chum, coho, pink, and sockeye), it is a long, strenuous, black race against time, with every obstacle taking its toll. Pacific salmon belong to a group called anadromous fish that includes Atlantic salmon, sturgeon, lampreys, shad, herring, sea- run cutthroat trout, and steelhead trout. These species hatch and live the first fraction of their lives in fresh water, then migrate to the ocean to array off their adult lives, which whitethorn be as bunco as 6 months or as long as 7 years.
When they reach sexual maturity, they return to the freshwater spud of their stock certificate to lay their eggs. Pacific salmon give rise the round berth only once, but some Atlantic salmon may repeat the cycle several times. Migration betwixt fresh and salt water occurs during every season of the year, depending on latitude and inherited characteristics of the fish. Groups of fish that migrate to...If you want to go bad a ripe essay, order it on our website:
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