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![Chinook salmon (Onchorhynchus tshawytscha) fizh1180.jpg Chinook salmon (Onchorhynchus tshawytscha)](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_fizh1180.jpg)
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https://www.noaa.gov/media/digital-library-photo/pl23fizh1180jpgDescription
Chinook salmon (Onchorhynchus tshawytscha) . The chinook salmon spendsmost of its life in the ocean, but comes into fresh waters to spawn and die.While there is a run every year, the life span of each generation is about fouryears. Although the average weight is much less, these fish may attain a weight of over 50 pounds. Specimen from Columbia River.
Credit
NOAA Central Library Historical Fisheries Collection
Photographer
W. F. Kubichek
Collection
Historic Fisheries