Snails mainly eat some rotten food, and generally have a lot of toxins in their bodies. Only freshwater snails and river snails have certain edible value, and they must be soaked in clear water and cooked thoroughly before eating.

3. Snail: Snail, a gastropod that existed before the Cretaceous period, especially a gastropod with a closed shell, which can be completely retracted into the shell for protection.

Shellless gastropods are generally called slugs.

5. In addition, snail has other ambiguous words, such as snail steamed stuffed bun, snail Dai, snail white and so on.

6. The spiral shell is conical, thick, about 3 cm high, with 7 layers of spiral at the top, deep suture and slightly larger spiral layer.

7. The shell surface is yellowish brown or dark brown, with obvious growth lines and thick spiral lines.

8. The shell mouth is oval with complete edges.

9. It is horny, tan, oval and smooth, and the growth lines are arranged in concentric rings.

10. Soft body, cylindrical head and protruding front muzzle.

1 1. There are 1 pairs of antennae at the base of the mouth, and every 1 pair has 1 exophthalmos at the outside of the antenna base.

12. The foot is located under the head, with a large shape and a wide plantar surface.

13. The head and feet can be retracted into the shell, and the snail shell will be closed after retraction.