Zebra Mussels

Flathead Lake continues to defy national trends as a healthy blue body of water that’s free of invasive mussels. That’s according to the director of the University of Montana’s Flathead Lake Biological Station, who gave his annual state of the lake address Friday. 

The National Park Service Hammerhead Crew catches a non-native lake trout in Yellowstone Lake, June 17, 2015.
Public Domain

Yellowstone National Park will temporarily ban wakeboard boats and plans to gate boat launches this season to reduce the risk of introducing new invasive species in park waters.

Western governors want to see more federal action to combat tiny but destructive creatures: invasive mussels.

A quagga mussel is only about the size of your thumbnail. But when the little mollusk reproduces en masse, it can wreak havoc on agriculture and lake tourism.