Where do North American Cambaris affinis?

Cambaris affinis, commonly known as the northern crayfish, is primarily found in freshwater habitats across North America, particularly in northern regions such as the Great Lakes and the northeastern United States. These crayfish inhabit rivers, streams, ponds, and lakes, often favoring areas with abundant vegetation and shelter. They prefer clean, well-oxygenated waters and are often associated with rocky or sandy substrates.