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Invasive Mudsnails Discovered In Yuba River

Considered a significant threat to the entire aquatic community, New Zealand mudsnails have now been found in the Yuba River in Yuba and Nevada Counties. They’ve been detected at the Sycamore Ranch Park and Campground and at locations on the lower Yuba River, both above and below the Highway 20 bridge crossing. The discovery occurred just a week after they were found in the lower Feather River. The California Department of Fish and Wildlife says the mudsnails, which are only 4 to 6 millimeters in length, can displace and out-compete native species, sometimes by consuming up to half the food resources in the waterway. Senior Environmental Scientist Colin Purdy says the community can help, especially by employing what’s called the “clean, drain, and dry” approach…

click to listen to Colin Purdy 

Purdy says it’s unknown how the infestation occurred…

click to listen to Colin Purdy

Purdy says removal would be practically impossible. So far, the mudsnails have not been identified in Englebright Reservoir or at locations of the Yuba River upstream of Englebright.

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