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The image displays the life cycle of salmon with illustrations and text for each stage. It begins with "1) egg," which occurs in the upper river spawning grounds, eggs buried in small nests, and takes 2-3 months. The next stage is "2) alevin," tiny salmon with egg sacs, which develops in the same location and takes 1-2 months. Then "3) fry" are depicted, small salmon with yolk sacs absorbed, 5cm in size, in the lower river growing grounds, taking 2-4 years. The stage of "4) smolt," salmon transitioning to salt water, is 15cm in length and is found in the open sea for 1-8 years. Finally, "5) adult salmon," which are 70-85cm in size, return to the upper river spawning grounds after 1-5 years in the open sea.
Given the complexity of the image, the above description may not be entirely accurate.
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The figure depicts a species of large fish life cycle which is called the salmon.
Overall, it can be seen that the process by which salmon’s life cycle is passes is a multistep cyclical process, which consists of three main stages: the ‘fry’, the ‘smolt’, and the ‘adult salmon’. Salmon’s lives in both, fresh water as well as saline water.
In the first stage, the adult salmon lays eggs in the slow moving upper river water between the cover of reeds and small stones. The spawn rest for about 5-6 months here, after which the eggs hatch into ‘fry’, which was 5-8 cm in length.
In stage 2, these ‘fry’ moves into the fast flowing lower river for the next 4 years approximately. Here the ‘fry’ grows bigger and their growth between 12-15 cm, which is called the ‘smolt’.
The ‘smolt’ migrates in the open sea for their final and last stage. They live in the saline water roughly for 3 years, where they called ‘adult salmon’ and the salmon attains its full size which is 70-76 cm. Then the process begins again.
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