This illustration provides an overview of the different steps involved in the life cycle of a species of large fishi called the salmon. As the diagram clearly depicts, salmo’s life process consist of three different sea level stage. It’s spends almost ten yeas long , which is including upper river, lower river and open sea. As the process diagram shows, in the first step, salmon egges which are under the small stones living in the upper river around 5 to 6 months grow as a 3 to 8 cm little fish, and its called fry. Afterward，fry is linving on the fast flowing lower river approximitaly 4 years becoming smolt, which is 12 to 15 cm longer. In the final stage, smolt will have about 5 years long life in open sea for grow to an adult salmon. In summary, the picture clearly illustrates the various stages of salmon’s life cycle. Helping everyone undersand how they surviving in the sea.