the flow chart depicts the growth cycle of large fish named the salmon.
It’s obvious that the life of this fish usually lasts approximately 9 years,during the time it changes its habitat 3 times.
Moving to the first step,fry hatch from salmon eggs,these eggs are placed in front of reeds in upper part of the river.After this,fry start moving in lower part of the river, where they spend nearly 4 years.
in the second step,these little fishes become smolts, which size increases twofold (12 to 15 cm).Smolts move into the open sea to live there for around 5 years.
In the third step, it grows to the adult salmon, which value about 70 to 76 cm.Adult salmon comes back to the first step, where it spawns a salmon roe.
