ICC Monthly Snap: August 2025
IISG ICC
ICC Monthly Snap | August 2025
Dear Invasive Crayfish Collaborators,
Welcome to the August edition of the Monthly Snap! As always, you’ll find a collection of recent crayfish literature and news below.
Literature
Trophic plasticity and invasive success: dynamic feeding strategies of the signal crayfish in Croatian rivers
Danilović, M., Ercoli, F., Maguire, I. & Füreder, L. (2025). Trophic plasticity and invasive success: dynamic feeding strategies of the signal crayfish in Croatian rivers. Journal of Freshwater Ecology, 40(1). doi.org/10.1080/02705060.2025.2528650
Serotonin: A Multifunctional Molecule in Crustaceans
Esmaeili, N., Kadri, S., Kumar, V. & Ma, H. (2025). Serotonin: A Multifunctional Molecule in Crustaceans. Reviews in Aquaculture, 17(4), e70046. doi.org/10.1111/raq.70046
Setal morphology, sexual dimorphism, and number of aesthetasc on the antennular lateral flagella of the red swamp crayfish Procambarus clarkii (Girard, 1852) (Decapoda: Astacidea: Cambaridae)
Li, M., Liu, X., Zhang, D., Lin, T. & Li, S. (2025). Setal morphology, sexual dimorphism, and number of aesthetasc on the antennular lateral flagella of the red swamp crayfish Procambarus clarkii (Girard, 1852) (Decapoda: Astacidea: Cambaridae). Journal of Crustacean Biology, 45(3), ruaf043. doi.org/10.1093/jcbiol/ruaf043
Cherax pulverulentus, a new freshwater crayfish (Decapoda: Parastacidae) from Southwest Papua Province, Indonesia
Patoka, J., Akmal, S. G., Bláha, M. & Kouba, A. (2025). Cherax pulverulentus, a new freshwater crayfish (Decapoda: Parastacidae) from Southwest Papua Province, Indonesia. Zootaxa, 5566 (3), 522–534. doi.org/10.11646/zootaxa.5566.3.4
News
Come wrangle invasive crayfish at the seventh annual Rusty Rodeo
Illinois-Indiana Sea Grant is teaming up with Kane County partners to co-sponsor the Rusty Rodeo, a family-friendly event happening Saturday, August 9 in North Aurora, IL. Join us to help remove rusty crayfish from the Fox River using nets and buckets, and learn more about native and invasive crayfish species found in Illinois.
Invasive crayfish found in pond at Wolf Lake State Fish Hatchery
The Michigan Department of Natural Resources has confirmed the presence of red swamp crayfish in an outdoor muskellunge rearing pond in Mattawan, Michigan. In response, Michigan’s Invasive Species Program staff are investigating potential sources and working with MDNR to minimize the spread.
Credit Valley Conservation’s Monitoring Work
Discover how the Ontario-based environmental organization Credit Valley Conservation monitors stream health and learn about the region's largest native crayfish species, the Big Water crayfish Cambarus robustus.
Register for an upcoming crayfish monitoring training in New York
Buffalo State University, Michigan State University, and Illinois-Indiana Sea Grant are hosting a crayfish monitoring training in Buffalo, New York for natural resource agencies and conservation groups. The training aims to strengthen regional coordination and improve crayfish identification in both wild populations and the live trade. Space is limited. 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