The surface of the epipodium is smooth and broadly scalloped along the edge. The area around the foot is black and the sole is tan to grey.
Tentacles are black.
Sunset Bay, Oregon to Bahia Tortugas, Baja California. In the south, subtidal zone down to at least 100 feet. World's largest abalone. Most desirable commercially for size and light meat color. They may recolonize depleted areas more rapidly than other species.