![]() ![]() Marine mammals, such as orcas and sea lions, and sharks eat adult salmon.Fish (such as whiting and mackerel) and birds eat juvenile Chinook salmon.Older Chinook primarily feed on other fish.Young Chinook salmon feed on terrestrial and aquatic insects, amphipods, and other crustaceans.Chinook dig out gravel nests (redds) on stream bottoms where they lay their eggs.Chinook salmon sexually mature between the ages of 2 and 7 but are typically 3 or 4 years old when they return to spawn.They spend a few years feeding in the ocean, then return to their natal streams or rivers to spawn, generally in summer or early fall.They can grow as long as 4.9 feet and up to 129 pounds, but typical length and weight of mature fish are about 3 feet and 30 pounds.Chinook salmon are the largest of the Pacific salmon, hence the name “king salmon.”.Chinook salmon are anadromous-they hatch in freshwater streams and rivers then migrate out to the saltwater environment of the ocean to feed and grow.The Pacific Coastal Salmon Recovery Fund supports the restoration of salmon species.Improvements to water quality and instream flow.Removal and modification of dams that obstruct salmon migration.Population conservation efforts include:.Degraded water quality from agricultural and logging practices.Habitat loss from dam construction and urban development.Changes in ocean and climatic conditions.Summary 2022 stock assessment information for all West Coast Chinook salmon stocks can be found on Stock SMART. The remaining stocks are not overfished and not subject to overfishing. According to the 2022 stock assessment, the Klamath River Fall stock is overfished, but not subject to overfishing.As of 2022, two populations of Chinook salmon are listed as endangered, and seven are listed as threatened under the ESA.The status of Chinook stocks in California and the Pacific Northwest varies. ![]() Summary stock assessment information can be found on Stock SMART. According to the 2017 stock assessment, the Eastern North Pacific Far North Migrating stock is not overfished and not subject to overfishing.None are listed under the Endangered Species Act (ESA).Some stocks are in decline, while others are steady or increasing.In Alaska, the status of Chinook salmon stocks varies.There are numerous stocks of Chinook salmon. ![]()
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