The Idaho State Department of Agriculture is the lead agency for the the Snake River Quagga Mussel response. Learn more at their website.
Quagga Detection on Snake River
For details surrounding impacted changes to hunting, fishing, and trapping seasons and rules, please review the following press releases.
Idaho Fish and Game Commission rescinds Snake River hunting, fishing, and trapping closure due to quagga mussels
At their April 15, 2025 meeting, the Idaho Fish and Game Commission rescinded their Snake River closure to hunting, fishing and trapping below the high-water mark near Twin Falls that had been in place since September 29, 2023.
Fish and Game to monitor impacts to fisheries from quagga mussel treatment
Using experience gained from the 2023 treatment, Fish and Game fisheries biologists are preparing for additional fish mortality throughout the treatment area, especially in the section of river upstream of the Twin Falls power plant that was not treated in 2023.
