1, coconut snail

Coconut snail, also known as coconut snail and papaya snail, is yellow-brown, papaya-like, smooth with dark brown spots, carnivorous, fond of shellfish and benthic animals, mainly distributed in warm sandy and muddy shallow waters.

2. Pomacea canaliculata

Pomacea canaliculata, also known as Pomacea canaliculata, apple snail and so on. It is a mollusk belonging to ampulla. Its appearance is very similar to that of Pomacea canaliculata. It has the characteristics of large size, wide eating habits, strong adaptability, fast growth and reproduction, high yield and so on. Eating snails with insufficient heating may cause parasites such as Angiostrongylus cantonensis to infect the human body. 198 1 was introduced into China and has been included in the first batch of alien invasive species in China.

3. Mud nails

Mud snail, also known as mud snail, mud clam, mud leech, etc. , is the only animal in the genus Bullacta, which is a special product of seawater and brackish water on the west coast of the Pacific Ocean. Its body is rectangular, its head is big and thick, its mantle is underdeveloped, its lateral feet are developed, and part of its shell is covered on both sides. The shell is oval, the larvae are thin and brittle, the adults are hard and white, and the surface looks like carving.

4.snails

The scientific name of Oncomelania hupensis refers to mollusks of Oncomelania family, which are distributed in most areas of China. The requirement for water quality is high and the yield is low. It is bisexual. The method of distinguishing male from female is mainly based on the shape of its right antenna. The antenna of the male snail bends inward to the right, the female snail is big and round, and the male snail is small and long. In viviparous animals, embryonic development and larval development are all completed in the mother, from fertilized eggs to young snails.

5, sweet snail

Sweet snail, also known as rattlesnake, golden snail, horse snail and so on. The shell is nearly rhombic, with a hard shell, with a height of 134 mm and a width of 77 mm The spiral layer is about 7 layers, and the suture line is obvious. It is mainly distributed in Guangdong, Fujian, Liaoning, Shandong and other regions in China.

6.filariasis canis

Cochineal snail, also known as conus, mainly grows in tropical waters and generally lives in warm waters. They belong to the family Gastropoda, mollusca. Their shells are thin in front and thick in back, and are shaped like chicken hearts or taro. There are many kinds of them, with different colors and patterns. They are a kind of highly toxic marine life, because their tip hides a small opening with fangs, from which they can shoot venom enough to kill the injured.