The mud snail was first detected in the United States in Idaho's Snake River in 1987, the mudsnail has since spread to the Madison River, Firehole River, and other watercourses around Yellowstone National Park; samples have been discovered throughout the western United States.
The mud snail was first detected in the United States in Idaho's Snake River in 1987, the mudsnail has since spread to the Madison River around Yellowstone National Park. The mud snail was first detected in the United States in Idaho's Snake River in 1987, the mudsnail has since spread to Firehole River around Yellowstone National Park. The mud snail was first detected in the United States in Idaho's Snake River in 1987, the mudsnail has since spread to other watercourses around Yellowstone National Park. Samples have been discovered throughout the western United States.