Aquatic Invertebrates - native

Signal Crayfish (Pacifastacus leniusculus) on Sep 22, 2022

Originally reported as Rusty Crayfish (Orconectes rusticus)

Submitter does not have a specimen

Description of specimen

Deceased Rusty Crayfish

Commentary

None

Remedy

Signal Crayfish is Oregon's native crayfish, although it is considered invasive in Crater Lake and in Europe.

Resources

Learn more about Signal Crayfish on iNaturalist.

Location

Found a deceased crawfish along the Hood River, approximately 1 mile from the confluence with the Colombia.

Expert Reviewer

Mr. Rick Boatner
Oregon Dept. of Fish & Wildlife

© 2025 Portland State University | Contact us for questions regarding site content