The charts illustrate the various phases of a salmon, a kind of giant fish, throughout the beginning and the end of its life.
Overall, this species has three different phases of the life cycle, which takes almost a decade.
In the first stage, a salmon leaves its eggs near small stones under reeds. The maturation process for those eggs takes approximately 5 to 6 months in the upper river, where water flow is slower compared to other parts of a river. After that, eggs break, and a newborn fry, between 3 and 8 centimetres, comes out to the river.
The second stage can be depicted as the maturation process of a salmon. A fry fish grows to be a smolt, which is between 12 and 15 centimetres in approximately 4 years. Smolt fish spend almost one-third of their lifetime where the flow of water is comparably fast in the lower river, and they migrate to the open sea.
In the final stage of a salmon’s life cycle, its body reaches a physical length limit of 70 to 76 centimetres, and it spends 5 years in this stage. Once the fish matures and becomes an adult salmon, it produces eggs, and the period continues.