Effect of quagga mussel treatment on fish populations
Fish and Game crews collected fish mortalities resulting from the copper treatment in the Snake River.
Photo courtesy of the Idaho Department of Fish and Game
A largemouth bass is marked with a tail fin clip prior to the quagga mussel treatment.
Photo courtesy of the Idaho Department of Fish and Game
Data is collected from a sturgeon mortality during the quagga mussel treatment.
Photo courtesy of the Idaho Department of Fish and Game
A collection of fish surveyed using electrofishing equipment after the quagga mussel copper treatment in the Snake River.
Adult quagga mussels are small, about the size of a person's thumbnail.
Photo courtesy of the Idaho Department of Fish and Game
Quagga mussels, an invasive species capable of causing harm to waterways, fish populations and fisheries, were found in the Snake River near Twin Falls by the Idaho Department of Agriculture in September 2023. Immediately afterward, Idaho Fish and Game assisted the Department of Agriculture in its evaluation of potential treatments to eliminate the mussels, and Idaho Fish and Game quantified the fish populations found in the 6-mile stretch of river where the mussels were found, and where the treatment would occur.
Adult quagga mussels are small, about the size of a person's thumbnail.
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