21 Facts About Chinook salmon

Chinook salmon are anadromous fish native to the North Pacific Ocean and the river systems of western North America, ranging from California to Alaska, as well as Asian rivers ranging from northern Japan to the Palyavaam River in the Arctic northeast Siberia.

The flesh of the Chinook salmon is highly valued for its dietary nutritional content, which includes high levels of important omega-3 fatty acids.

Recent studies have shown that Chinook salmon are historically native to the Guadalupe River watershed, the southernmost major metropolitan area hosting salmon runs in the United States.

Coho Chinook salmon had been introduced the year before, and the program was a success.

Chinook and Coho salmon thrived on the alewives and spawned in the lakes' tributaries.

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Chinook salmon is blue-green, red, or purple on the back and top of the head, with silvery sides and white ventral surfaces.

The Chinook salmon undergo radical morphological changes as they prepare for the spawning event ahead.

Egg deposits are timed to ensure the young Chinook salmon fry emerge during an appropriate season for survival and growth.

The highest in elevation Chinook migrate to spawn is in the Upper Salmon River and Middle Fork of the Salmon River in Idaho.

Chinook salmon eat insects, amphipods, and other crustaceans while young, and primarily other fish when older.

Stream-type Chinook salmon spend one full year in fresh water before migrating to the ocean.

Chinook salmon can have extended lifespans, where some fish spend one to five years in the ocean, reaching age eight.

Riparian vegetation and woody debris help juvenile Chinook salmon by providing cover and maintaining low water temperatures.

Juvenile Chinook salmon grow in clean, productive estuarine environments and gain the energy for migration.

Researchers were able to tell where different individuals of Chinook salmon were born and lived in the first year of their lives.

Nine populations of Chinook salmon are listed under the U S Endangered Species Act as either threatened or endangered.

The size of Chinook salmon who have spent one and two years in the ocean has been rising, while the size of Chinook salmon of three to five years has been declining.

Chinook salmon that are migratory are already more vulnerable, and the California drought made them even more vulnerable.

Chinook salmon is spiritually and culturally prized among certain First Nations peoples.

Chinook salmon were described and enthusiastically eaten by the Lewis and Clark Expedition.

The impact of the salmon migration has been seen by not only tribal members but others as well and as a result progress is slowly being made to help restore the salmon habitats along the river It has been known that for many tribes Chinook salmon have played an important role, spiritually and physically.