世界上所有动物都有自己的自然习性和繁殖后代的规律。三文鱼繁殖后代的规律奇特而又悲壮。 三文鱼是经济价值很高的鱼种,在加拿大受法律保护,无论是垂钓、捕捞,都有严格的限制。 三文鱼出生在山间溪流中,度过幼鱼期,就会通过菲沙河口游到大海里生活3～4年,待性成熟时它会洄游到出生地的山间溪流中产卵。完成它的生命周期,然后就自然 All animals in the world have their own natural habits and the rules of breeding offspring. The rules of salmon breeding offspring peculiar and tragic. Salmon is a species of high economic value, protected by law in Canada, both fishing, fishing, there are strict restrictions. Salmon was born in the mountain stream, through the juvenile period, will pass the Fraser estuary swim to the sea life 3 to 4 years, until sexual maturity when it will migrate to the birthplace of the mountain stream to lay eggs. Complete its life cycle and then naturally