The life cycle of the salmon begins when the female adult lays eggs. Technically, the salmon has to face an uphill journey to reach upper rivers, then they find a location for spawning, where there are reeds and small stones. Between 5 to 6 months later, each egg hatches and the immature fish is called fry. Fries are three to eight centimeter long.
The fry swims to lower rivers, where the water flow faster than upper rivers, and stay here in 4 years to transform into the smolt. After that, the fish is ready to leave fresh water and migrates to the open sea. They