Orconectes rusticus: Rusty crayfish
The rusty crayfish is a large crayfish that can reach 10 cm. It has robust claws and prominent dark, rusty spots on either side of its carapace. A rust colored band appears dorsally down the center of the abdomen. They have a greenish color that is most pronounced on its walking legs. The claws are greyish-green to reddish-brown with black bands at the tips and are fairly smooth.
For more information on the rusty crayfish identification, please visit:
- Global Invasive Species Database
- USGS Nonindigenous Aquatic Species (NAS)
- Northeast Aquatic Nuisance Species Panel
- Aquatic Nuisance Species (ANS) Task Force
For more information on the rusty crayfish best management practices, please visit: