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Jackson Hole, WY News

As invasive mussels creep towards Wyoming, 'dirty boats' show up in Greater Yellowstone Ecosystem

Yellowstone stopped 2 mussel-fouled boats from embarking this summer. Wyoming stopped 58.

Watercraft inspection

Invasive mussels float down rivers as plumes of tiny larvae, latch onto boats to cross state lines and find new waters to infest. And they are inching closer to Wyoming.

One species can even survive and spread after passing through a catfish’s intestines.

Watercraft inspection

Quagga mussels, seen here in a display at the Moose watercraft inspection station, have taken over the Great Lakes and could devastate plankton-dependent fisheries in Grand Teton National Park. They are also notorious for coating infrastructure and requiring billions of dollars of maintenance to keep water pipes open where infestations have taken hold.

Contact Billy Arnold at 732-7063 or

Environmental Reporter

Billy Arnold has been covering the Greater Yellowstone Ecosystem and the people who manage it since January 2022. He previously spent two years covering Teton County government, and a year editing Scene. Tips welcomed.

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