The Prairie Crayfish is a species that lives in the grassland and prairies that remain in Iowa. They dig deep burrows, over6 feet deep and leave a chimney of mud around the entrance. The burrows fill with water as most are dug below the water table. Prairie crayfish are bright red to reddish-brown with a high domed shell and pincers that have many bumps. Adults may be up to 3 inches long,are nocturnal and may live 3-4 years.
Photo 1-Iowa DNR