Understanding Idaho Fish and Game's decision to stock Boise River with surplus Chinook salmon

BOISE, Idaho (CBS2) — Some anglers ask why Idaho Fish and Game recently stocked Chinook in the Boise River.

Idaho Fish and Game first clarified that "surplus" does not mean these are unused Chinook salmon. Every fish is put to good use.

"Whether that is table fare for successful anglers or tribal fishers, contributing to hatchery broodstock, meeting ceremonial and subsistence needs of the tribes in Idaho, out-planting adults for natural spawning or nutrient enhancement, supplying foodbanks with healthy salmon, or transporting fish to other rivers/reservoirs to create additional fishing opportunities."

This year a large percentage of the trapped Chinook were "jacks." Jacks are male fish that have spent only one year in the ocean, whereas their adults spend two to three years. Jacks are not part of the harvest share and are not generally used for broodstock, so they make up a large percentage of surplus fish in places like the Boise River.

The Boise River was chosen to receive surplus Chinook this season for multiple reasons. The Boise River remains cold throughout the summer, and the Treasure Valley has a significant population, increasing the chances fish will be caught and utilized by anglers.

To read Idaho Fish and Game's complete response, click HERE.

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