There is a difference, they are not the same.
The stone snail grows in ponds, rivers and rivers, more attached to the water on the rocks and other hard things, plus the shell is hard, so it is called stone snail. Its shell is dark green, can be touched in all seasons and the body shape is smaller than the snail, stone snail is a nutritious flavor food, not only the meat is crisp, taste fresh and sweet, and contains protein and other nutrients, with the stomach and digestion, promote appetite effect.
Field snails grow in rice paddies, ponds, rivers and streams, the size of a fingertip and is a screw lion type, the color is dark and oily also known as the "screw lion". Chinese medicine believes that the snail taste sweet and cold, with heat and eyesight, diuresis and other efficacy, the main treatment of eye heat and red pain, urinary closure, hemorrhoids, jaundice, pediatric convulsions and other diseases. In addition, the snail's meat is tender and crispy, rich in nutritional value, so it has been known as the agricultural "pearl of the plate" reputation.
6 What is the difference between the stone snail and the snail1, the appearance of different: the snail's head is generally larger, small and quail eggs almost, large like a ping-pong ball. Its shell is thinner, the surface is smoother and the color is light dark green. The stone snail is generally smaller, and the size of the finger almost. Its shell is thicker and harder, the surface has lines and the color is a deep dark green.
2, the growth of different environments: stone snails grow in the river, ponds, more attached to the water stones and other hard objects, while snails grow in rice paddies, ponds, rivers and streams.
3, the taste is different: because the snail's head is large, so the meat is also large, eat up a better taste, while the stone snail's head is small, so the meat is small, eat up more chewy, but the two kinds of snails are rich in nutritional value.
7 What is the nutritional value of stone snailsIt has been determined that every 100 grams of snails contain vitamin A130 international units, moderate supplementation of vitamin A can debug the ability of the eyes to adapt to the external light to reduce the incidence of night blindness and vision loss. Vitamin A also helps in the treatment of many eye diseases, such as dry eyes and conjunctivitis. Therefore, there is scientific justification for the long-standing folklore claim that stone snails can improve eyesight. Because stone snails live in sunny ponds, streams and clean water, their flesh is rich in calcium and mineral vitamins. If the stone snail in the mountain stream, the nutritional value is higher, but it is generally more difficult to buy.
8 eat stone snail need to pay attention to what1, dead snail can not eat, if the snail meat out of the shell, revealing a small tip, a motionless, said that the snail has died; fresh snail even if the snail meat exposed, the surface will be twisted state, gently touched, the tip of the small will be retracted. It is best to choose a medium-sized, clean shell, most of which is gray-green.
2, stone snail bought back, it is best to raise is a day or two, so that it fully spit out the dirt, during the period from time to time to change the water scrub. In the cleaning time you can use your hands to rub a few times, and then put into the water basin, drop a little sesame oil and salt to make the body of the spoils completely out.
3, in cooking stone snails, in order to prevent the infection of germs and parasites, be sure to cook through, generally boil more than 10 minutes before consumption is preferred.