The life cycle of a large fish called a salmon is shown in the diagrams below.
The life cycle of a large fish called a salmon is shown in the diagrams below.
At the beginning of the cycle, the salmon eggs are hidden next to some small stones under the reeds in the upper, slow-moving river. In the second stage, the three to eight-centimetre-long baby salmon, known as fry, breaks its eggs, emerges, and swims to the lower, fast-flowing river after about five to six months.
After this stage, it is ready to migrate to the open sea, which is the smallest for about five years. At the end of this stage, the adult fish is about 70 to 76 cm long. Finally, the adult fish swim back to the place where they were born.
Overall, the salmon life cycle involves spawning in the upper river, growth in the lower river, maturation in the open sea, and return to the upper river for spawning, completing the cycle.
