The diagrams below show the life cycle of a species of large fish called the salmon. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The charts illustrate the life cycle of some species, which

called

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salmon

. The life cycle begins when

salmon

eggs are laid among small stones at the start of reeds in the upper part of a river, where the current is slow. After about 5 to 6 months, fry with measure 3 to 8 centimetres long can be seen in the water. The fry

then

swim

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swims

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to the faster-flowing part of the river, which is called

lower

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the lower

a lower

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river. After growing there for approximately 4 years, they reach 12 to 15 centimetres long and become smolts.

Subsequently

, they head to the ocean where the fish mature into adult

salmon

with an average of 70 to 76 centimetres long. They

then

spend around 5 years in the sea, after which they migrate upstream to their birthplace to spawn, and the entire journey is repeated all over again.

Overall

,

salmon

have an average lifespan of nine years and their lifecycle consists of four main stages: egg, fry, smolt and adult.