The abalone resembles the human ear. Abalone, also known as Haliotis gigantea, mirror fish, nine-hole snail, generals cap, sea ear, etc., the reason why it is called sea ear is because its shape is similar to the human ear. Abalone is a single-shelled mollusk, with tender meat, rich in nutrients and other characteristics, known as "table gold, the crown of the sea treasures". Abalone body outside, covered with a thick limestone shell, its shell is a right spiral shell. The abalone's single-walled shell is hard, with a right-handed shell shape and a dark greenish-brown surface. The inside of the shell is a mixture of purple, green and white colors, and is pearly.