snail
Introduction:
Snail is not a biological classification name, generally referring to all terrestrial species of Gastropoda. Generally speaking, there is no distinction between aquatic snails and terrestrial snails in western languages. In Chinese, snails only refer to terrestrial species, although they also include many animals of different families and genera, but they are similar in shape. Snails belong to mollusks, Gastropoda; Feed on decaying plants and lay eggs in the soil. It is most common in tropical islands, but it is also found in cold regions. Arboreal species are brightly colored, while terrestrial species are usually monochromatic. The agate snail in Africa is the largest, more than 20 centimeters. Several species of European snail are often used as delicacies, especially in France. Snail is one of the most common mollusks on land, which has high edible and medicinal value.
Appearance characteristics:
1, one of many aquatic or terrestrial mollusks in Gastropoda, usually has a thick snail shell, and its feet are wide and turned inward. Snail's whole body includes Baker, head, neck, shell membrane, feet, internal organs, cysts and other parts, with a spiral shell on its back. Different colors, their shells are pagoda-shaped, gyro-shaped, conical, spherical tubular and so on. At present, white jade snail, covered snail, scattered snail, open snail and brown cloud agate snail all have their own unique shapes.
2. Snail is not a taxonomic name in biology, but refers to all terrestrial species of Gastropoda. Generally speaking, there is no distinction between aquatic snails and terrestrial snails in western languages. In Chinese, snails only refer to terrestrial species, although they also include many animals of different families and genera, but they are similar in shape. Snails belong to mollusks, Gastropoda; Feed on decaying plants and lay eggs in the soil. It is most common in tropical islands, but it is also found in cold regions. Arboreal species are brightly colored, while terrestrial species are usually monochromatic. The agate snail in Africa is the largest, more than 20 centimeters. Several species of the genus Megasnail in Europe are often used as delicacies, especially in France. Snail is one of the most common mollusks on land, which has high edible and medicinal value.