The field snail scientific name of China round field snail (Cipangopaludina chinensis Gray), in China around the freshwater lakes, reservoirs, rice paddies, ponds and ditches are widely distributed. Because of its tender meat, flavorful, nutritious, and has a heat quenching, thirst, eyesight and other therapeutic effects, has become one of the people's favorite aquatic products, especially in the south as a delicacy on the table. [1]

Chinese name

Chinese round snail

Latin name

Viviparidae

Alias

Snail lump

Boundary

Animals

Portal

Mollusca

Rapid

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Morphological features

Morphological features

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Meat and nutritional characteristics of the snail. /p>

Morphological featuresLife habitsReproductive characteristicsArtificial cultureNutritional value

Biological characteristics

The field snail is hardy and fear of heat, the optimal growth temperature of 25 ℃, the water temperature is lower than 15 ℃ or higher than 30 ℃ that is, to stop feeding when the water temperature is lower than 10 ℃ will be drilling mud, more than 40 ℃ will be scalded to death. The snail has a mixed diet, likes to move and feed at night, and can reproduce naturally. The life span of the snail is usually four or five years for females and two or three years for males, and the snail grows fastest in the first three or four months, then gradually slows down and stops growing after two years. [2]

Morphological features

Outline

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The shell is calcareous, thin, spiraled, and right-handed. The outer shell surface is yellowish green to yellowish brown, the color varying depending on the environment and water quality, the inner surface is grayish white, the top of the shell is slightly pointed, the bottom of the shell is inflated, and the mouth of the shell is ovoid, its edges are intact and angular. [3]

Mollusc part

Divided into three parts: head, foot, and visceral sac, the outer coat membrane envelops the entire visceral sac, and the head and foot of the field snail extends out of the mouth of the shell under normal living conditions. Head cylindrical, its front end has a prominent kiss, the mouth is located in the front of the kiss on the ventral surface, the base of the kiss on both sides of a pair of longer antennae, the female snail two antennae symmetrical left and right isomorphic, the male snail two antennae are asymmetrical, the right antennae are short and thick, curled up into the crossover apparatus. There is a black eye spot on the lateral projection at the base of each antenna. The skin on both sides of the back of the head, wrinkled and curled into a water pipe, the left is the inlet pipe, the right is the outlet pipe, the foot is located in the back of the ventral surface of the head, is a large muscular crawling organ and adsorption organs, the foot stretches open, the front end of the rounded arc, the back end of the tip of the rounded.