The diagram below shows the life cycle of a salmon, from egg to adult fish.

The diagram illustrates the stages in the life of the salmon, from birth to maturity.

Overall

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,

it is clear that

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there are eight stages, from being an egg in the river to becoming an adult in the ocean.

Also

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, in the middle of the way, they will migrate through estuary

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. First of all, the salmon fish are born in eggs, incubated in the river, and

then

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turn to emergence level. After that, they start to rear the fresh water, just before the estuary rearing stage in estuary

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. In the next stage, they will migrate to rearing

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in the ocean, in order to become completely grown up and matured. After maturing and growing up, the salmon fish

then

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migrate to the spawning

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in the ocean.

Following

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this

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, they would go back to their homeland, where they were born, in the river so that they could spawn there freely.