ICC Monthly Snap: September 2025
IISG ICC
ICC Monthly Snap | September 2025
Welcome to the September edition of The Snap, your monthly source of the latest crayfish literature and news. Each issue delivers new studies and updates to keep you informed on recent crayfish developments.
Literature
Effective cooperation between ecologists and historians for conservation: Documenting a 16th century crayfish introduction
Clavero, M. & Marín, A. S. (2025). Effective cooperation between ecologists and historians for conservation: Documenting a 16th century crayfish introduction. Biological Conservation, 311, 111405. doi.org/10.1016/j.biocon.2025.111405
Potential North American ranges of the invasive crayfishes Faxonius rusticus (rusty crayfish) and Procambarus clarkii (red swamp crayfish) under current and future climate projections
Cranberg, C. S., Keller, R. P. & Milanovich, J. R. (2025). Potential North American ranges of the invasive crayfishes Faxonius rusticus (rusty crayfish) and Procambarus clarkii (red swamp crayfish) under current and future climate projections. Aquatic Invasions, 20(3), 309-333. doi.org/10.3391/ai.2025.20.3.153638
Exploring new pathways: Teachers’ Uses and the Culinary Markets for Crayfish in Great Lakes States
Paulsen, I. R. (2025). Exploring new pathways: Teachers’ Uses and the Culinary Markets for Crayfish in Great Lakes States. Purdue University Graduate School. Thesis. doi.org/10.25394/PGS.29742485.v1
Genetic dissection of body color and behavioral patterns in colorful crayfish (Procambarus clarkii) and assessment of the germplasm for breeding applications
Peng, B., Feng, Z., Tan, Y., Zhu, X. & Bai, X. (2025). Genetic dissection of body color and behavioral patterns in colorful crayfish (Procambarus clarkii) and assessment of the germplasm for breeding applications. Aquaculture, 611, 743059. doi.org/10.1016/j.aquaculture.2025.743059
Claw loss and the prey preferences of an invasive crayfish
Toutain, M., Soto, I., Oficialdegui, F. J., Balzani, P., Cuthbert, R. N., Huber, A. F., Haubrock, P. J. & Kouba, A. (2025). Claw loss and the prey preferences of an invasive crayfish. NeoBiota, 100, 91-108. doi.org/10.3897/neobiota.100.149248
News
Rusty crayfish threaten Aitkin County lakes and wild rice
Rusty crayfish were recently found in Big Sandy Lake, Hill Lake, and Ripple Lake within Aitkin County, Minnesota. Local officials urge residents to follow “Clean, Drain, Dry” practices to prevent further spread.
Swarms of crayfish spotted crawling across yards and roads in Sperry, OK
Sperry, Oklahoma residents have reported large numbers of crayfish appearing just before sunrise. The unusual surge is believed to be linked to recent rains.
Register for upcoming crayfish monitoring trainings in IL, MI, and MN
Michigan State University and Illinois-Indiana Sea Grant are hosting crayfish workshops next month in Illinois, Michigan, and Minnesota. The workshops are designed for natural resource agencies and conservation groups and aim to strengthen regional coordination and improve crayfish identification. Space is limited. Register using the link above.
Upcoming Webinar: Red Swamp Crayfish Telemetry Across Seasons and Techniques
The ICC is hosting a webinar on Friday, September 12 at 11:00am CT/ 12:00pm ET. Join us as Dr. William Ota from Michigan State University shares his work on red swamp crayfish movement ecology using radio and acoustic telemetry. Register using the link above.
This selection of invasive crayfish information is collected by the Invasive Crayfish Collaborative, a program convened and facilitated by Illinois-Indiana Sea Grant and the Illinois Natural History Survey with funding from the Great Lakes Restoration Initiative.
© 2025 Illinois-Indiana Sea Grant // EA/EOU