African snails, not edible! African snail is a medium-sized and large-sized land snail. The length of adult shellfish is generally 7-8 cm, and the largest can reach more than 20 cm. Night activities, like wet environment. It has been included in the first batch of alien invasive species in China. This species is the intermediate host of many parasites and pathogenic bacteria, especially tuberculosis and eosinophilic meningitis, which is extremely harmful after eating. African snails can lay 30 to 700 eggs at a time and reproduce rapidly. It has been listed as one of the first 16 alien invasive species in China, which is extremely harmful to vegetables and other crops and is a national entry-exit quarantine pest. On July 20 14, African snails invaded Fuzhou, which was very destructive.