ICC Monthly Snap | July 2025
Dear Invasive Crayfish Collaborators,
Welcome to the July edition of the Monthly Snap! We hope you're enjoying the summer and staying cool (especially folks out in the field!). As always, you’ll find the regular collection of crayfish literature and news below.
Literature
Trapping methods for control of non-native red swamp crayfish Procambarus clarkii in a flowing channel
Egly, R. M. & Keller, R. P. (2025). Trapping methods for control of non-native red swamp crayfish Procambarus clarkii in a flowing channel. Management of Biological Invasions, 16(2), 423–441. doi.org/10.3391/mbi.2025.16.2.07
A novel method for sterilising invasive crayfish: removal of pleopods reduced reproductive success in signal crayfish females
Ghia, D., Morabito, S., Fea, G., Teesalu, P., Tuvikene, A., Sacchi, R. & Ercoli, F. (2025). A novel method for sterilising invasive crayfish: removal of pleopods reduced reproductive success in signal crayfish females. Biological Invasions, 27, 153. doi.org/10.1007/s10530-025-03612-6
SmartScreen-AIS: A High-Throughput qPCR Chip for Nationwide Surveillance of Aquatic Invasive Species
Kronenberger, J. A., T. M. Wilcox, & M. K. Schwartz. (2025). SmartScreen-AIS: A High-Throughput qPCR Chip for Nationwide Surveillance of Aquatic Invasive Species. Environmental DNA, 7(3), e70144. doi.org/10.1002/edn3.70144
Memory recognition elicits autonomic-like responses in crayfish.
Oliver-Domínguez, I., García-Kroepfly, A. L., Osorio-Palacios, M., Mendoza-Ángeles, K. & Hernández-Falcón, J. (2025). Memory recognition elicits autonomic-like responses in crayfish. Journal of Experimental Biology, 228 (12), jeb249530. doi.org/10.1242/jeb.249530
Prevalence and diversity of Aphanomyces astaci in cambarid crayfish of Pennsylvania: where native and introduced hosts meet
Petrusek, A., Mojžiŝová, M., Mikeŝová, A., Piálková, R. & Lieb D. A. (2025). Prevalence and diversity of Aphanomyces astaci in cambarid crayfish of Pennsylvania: where native and introduced hosts meet. Parasitology, 152, 92–105. doi.org/10.1017/S0031182025000022
Resource partitioning between the invasive crayfish Faxonius rusticus (Girard 1852) and the native F. virilis (Hagen 1870) affected by competitor presence and individual personality (Decapoda: Astacidea: Cambaridae)
Storer, N. M. & Moore, P. A. Resource partitioning between the invasive crayfish Faxonius rusticus (Girard 1852) and the native F. virilis (Hagen 1870) affected by competitor presence and individual personality (Decapoda: Astacidea: Cambaridae). Journal of Crustacean Biology, 45(2), April-June 2025, ruaf025. doi.org/10.1093/jcbiol/ruaf025
News
Hot dogs and minnow traps: an effective approach to controlling invasive rusty crayfish
New research from the Natural Resources Research Institute at the University of Minnesota Duluth shows that hot dogs and minnow traps are an effective method for controlling invasive rusty crayfish in local lakes.
Free Guidebook: Trapping Rusty Crayfish in Minnesota (PDF)
Check out this free guide to trapping rusty crayfish in Minnesota, written by Valerie Brady and Brennan Pederson of the Minnesota Aquatic Invasive Species Research Center.
Listen to the latest episode of Minnesota Outdoor News, where Valerie Brady from the University of Minnesota’s Natural Resources Research Institute joins to discuss the culinary potential of invasive rusty crayfish.
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