Aquatic Invertebrates - invasive

Ringed Crayfish (Orconectes neglectus) on Aug 1, 2023

Submitter has sample

Description of specimen

Found several live and dead ringed crayfishes here and a bit upstream at Mount Pisgah Arboretum.

Commentary

None

Remedy

Never move live crayfish from one area to another.

Resources

First discovered in Oregon during the 1960s in the Rogue River. Possible introduction paths include anglers using crayfish as live bait, classroom experiments and releases by pet owners. Learn more from Oregon Dept of Fish and Wildlife.

Location

Found in the Coast Fork Willamette River at Buford Park. Here are the coordinates: 44.014854, -122.986444

Expert Reviewer

Mrs. Lindsey Wise
Oregon Biodiversity Information Center, inr.oregonstate.edu/orbic
Oregon iMapInvasives
Institute for Natural Resources
Portland State University

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