The diagram illustrates the life cycle of a species known as salmon.
Overall, there are three main stages in this process, beginning with salmon fry and ending with the adult salmon stage.
To begin with, salmon eggs are laid among reeds and small stones in a river. These eggs are typically found among the roots of the reeds in the upper river. After approximately 5-6 months, the eggs hatch into fry, which measure about 3-8 cm in length. Following this stage, the fry move to the lower river, where the water flows more quickly. They live there for around four years, growing and developing.
In the next stage, the fry develop into a type of fish called smolt, which are about 12-15 cm long. The smolts then migrate to the open sea. After about five years, they grow to a length of 70-76 cm and become adult salmon. Finally, the adult salmon return to the place where they were born in order to lay their eggs, completing the life cycle.
