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 pictures illustrate a cyclical process that the life cycle of

salmon

.

Overall

, the

salmon

involves in the third

stage

, which begins with birth, growing to become adults and ends with becoming adults.

First,

in the birth

stage

,

salmon

have laid their eggs in the upper river where water is at a slow-moving pace. They usually lie under the reeds and beside the small stones.

This

stage

takes about 3 to 6 months to grow as small

salmon

the length is between 3 to 8 cm.

Subsequently

, the small size of

salmon

keeps enlarging to smelting, and they move from the lower river to the sea. It takes 3 years for growing up to become an adult. The

last

stage

is the adult

stage

for

salmon

, in which 3 years is used for their development. In

this

stage

, the length of adult

salmon

has been length from 70 to 76 cm, which is nearly 5 times bigger than the previous

stage

.