Fishing for Appalachian brook crayfish

The Appalachian brook crayfish is a freshwater crustacean with a robust body and a reddish-brown coloration. It is native to clear, fast-flowing streams and rivers in the Appalachian region of the United States. Growing up to 4 inches in length, it exhibits territorial behavior and often hides under rocks or debris, playing a crucial role in the aquatic ecosystem. This summary is AI generated