Biologists concerned after discovering invasive crayfish in Lane - KPTV - FOX 12

Biologists concerned after discovering invasive crayfish in Lane County

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Courtesy: Oregon Department of Fish and Wildlife Courtesy: Oregon Department of Fish and Wildlife
SALEM, OR (KPTV) -

Ringed crayfish have been found in the Row River in Lane County, and it is bringing concerns to biologists.

The crayfish were found in late September by a U.S. Forest Service employee at Wildwood Falls Park between the park and reservoir.

The Ringed crayfish have invaded multiple rivers and streams in southern Oregon, but this is the first discovery in the Willamette River drainage.

"To find Ringed crayfish in the upper end of the Willamette Basin is very alarming to us," said Jeff Ziller, South Willamette Watershed District Fish Biologist. "Ringed crayfish have been found to outcompete our native Signal crayfish for habitat and food.”

Ringed crayfish could have been used by anglers as bait in that area, or illegally released into the wild by a pet owner.

People are asked to report any findings of Ringed crayfish or other non-native crayfish to the Oregon Department of Fisheries and Wildlife.

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