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About the ICC

Invasive Crayfish Collaboration

Photographer: MN Sea Grant
The Invasive Crayfish Collaborative (ICC) brings industry, science, and land management stakeholders together to improve the management of invasive crayfish in the Great Lakes Region. It is convened and facilitated by Illinois-Indiana Sea Grant and the Illinois Natural History Survey with funding from the Great Lakes Restoration Initiative.

What’s New

The ‘Pritchard Trap’: A novel quantitative survey method for crayfish

Pritchard, E. G., Chadwick, D. D. A., Patmore, I. R., Chadwick, M. A., Bradley, P., Sayer, C. D., & Axmacher, J. C. (2021). The ‘Pritchard trap’: A novel quantitative survey method for crayfish. Ecological Solutions and Evidence, 2(2), e12070. https://doi.org/10.1002/2688-8319.12070

Dryland river restoration via carnivore reintroduction: Nonnative fauna dominate diets of river otters reintroduced to the Upper Rio Grande

Wolf-Gonzalez, G. A., Murphy, S. M., Springer, M. T., & Cox, J. J. (2022). Dryland river restoration via carnivore reintroduction: Nonnative fauna dominate diets of river otters reintroduced to the Upper Rio Grande. Journal of Arid Environments, 204, 104793. https://doi.org/10.1016/j.jaridenv.2022.104793

Ohio Woman Pleads Guilty to Violating the Lacey Act by Selling Marbled Crayfish

An Ohio woman pleaded guilty to violating the Lacey Act for selling marbled crayfish (also known as self-cloning crayfish) in interstate commerce. Marbled crayfish were recently declared an injurious aquatic invasive species under Ohio law.

This Crayfish Was Rescued During Chicago River Day Cleanup, But in a Major Plot Twist, It’s Invasive

The volunteers who pulled this crayfish from the water celebrated as they freed it from a tangle of fishing line. Trouble is, they’d just rescued and let loose an invasive species.

Invasive crayfish found in Ashland canal; could be bad news for Oregon native

Northern crayfish have been found in the Ashland canal, marking the first documented existence of this non-native species in Oregon.

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