1, different category attributes
Oncomelania generally refers to molluscs of Oncomelania, belonging to Gastropoda Oncomelania. Snail is the common name of square snail, which is the whole of square snail or other animals of the same genus. Also known as square snail.
2. Different distribution areas
Snails are found almost all over the world. Snail lions are not found all over the world like snails, but are a special product of our country, which is only produced in various lakes in Yunnan Province, the southwest plateau of China.
3. Different shell styles
Snails are similar in shape to snails and also have right-handed spiral shells. But the snail's shell surface is not as smooth as snail's, and there are many spiral ribs on it. Some ribs form spinous processes, while others form beaded processes, and their shapes vary from species to species. Snails have no ribs on their shells.
4. Different heads and sizes
Snails can grow up slowly. It usually grows to the size of grapes or even walnuts. Snails generally don't grow up.
5. Different living habits
Snails crawl at the bottom of the water (lake) and must be caught by special trawls. Snails are found in Dianchi Lake, Erhai Lake, Yangzonghai Lake, Yilong Lake and Fuxian Lake in Yunnan Province, unlike snails that can be found on the shore or in paddy fields. Snails like to live on the shore or in rice fields.