When we taste the delicious salmon at the dinner
table,perhaps
rarely think about their moved life story. Last week I saw a short video on the Internet about the salmon. Because it is salmon backflow season, so the weekend, my dad, mum and I went to the Weaver Greek Spawning Channel, watching salmon backflow. The visit aroused my interest in the salmon. I do not mean to eat. This trip I was most shocked by the dead salmon that I saw on the shore.
So I went home and made a deep research about the life cycle of salmon. Spawners in spawning channel spawn her eggs, which generally is freshwater. After the entire fall and winter, the eggs slowly developed. In the spring, the eggs hatch to produce alevins. There is a thing named yolk sacs bellow their bellies, it has all the nutrients that alevins needed for growth. March to May, alevins became fry swim out spawning channel, migration to the Fraser River;
(pic above from:http://img.docstoccdn.com/thumb/orig/88740863.png) start to begin their lives in the sea. When they grow into adult, they start to
swim back to the spawning channel. The life cycle is complete, after they spawned all their eggs. That is why I will saw those salmon died in the shore of spawning channel.
Salmons’ lives are full
of dangers and tragic. They overcome the difficulties; avoid many dangers, in
the last moments of their life, running upstream, spawning, and migration, for
their life ends.