It's not illegal. Coconut snails are not protected animals, they are edible and not illegal. Coconut snails are delicious, and can be used for soup, stir-fried and steamed. , in various ways. Feeding on shellfish and small benthos, they live in shallow mud bottom with a water depth of several meters, and are distributed in Japan, Taiwan Province Province of China, East China Sea and South China Sea of China.