The Nature Channel shows salmon from both in the ocean and in rivers showing their lifecycle from eggs to their journey back upstream to spawn.
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Salmon Parents Are Amazing!
This video for younger children explains the lifecycle of salmon and the scientific terms for salmon at different stages of their lives.
Salmon: Facts
From the middle of the year, salmon leave the ocean to travel up rivers, often needing to jump over rocks and up waterfalls in order to reach the place they were born. Here they spawn and then die. Salmon facts are presented by Idaho Public Television.