Fishing for Pistolgrip mussel

The pistolgrip is an elongated freshwater mussel with a thick, heavy, dark brown-to-black shell covered in rows of coarse bumps and wrinkles, its shape narrowing toward one end like a pistol grip. It inhabits the gravel and sand of medium to large rivers across the central and eastern United States. The shell reaches about 7 inches. It lives partly buried. This summary was AI generated