Can you eat well fish?

In many rural areas, there are wells, and sometimes some fish appear in the water of the wells. But even if the rural people hit the well fish by drawing water, they will put it back. What causes it? Can I eat well fish?

1. Well fish generally do not grow up, although well water and groundwater contain a lot of inorganic salts, which are suitable for fish growth, but the oxygen content of groundwater is very low, the temperature of well water is also very low, and the fish grow very slowly. usually people see well fish, their body length is only the size of the palm of their hands, and they are not as fleshy as sea fish and river fish.

two。 To survive, fish have to rely on parades to find food and spawning grounds. In lush areas, the bigger the fish are, the fatter they are, and the number of fish will increase exponentially. However, the amount of water and grass in the well water is very small, and the fish can not find a suitable spawning ground, so in the end there are only a few. So the number of well fish is usually no more than 10, will not be too much, after eating the fish is really gone, so few people will lay hands on the well fish.

3. The fish in the well is actually the proof for human beings to measure whether the well water is toxic or not. People live on well water, which is used as daily drinking water, and its quality is very important. Once someone is poisoned, it will not only affect the whole family. If the well fish is alive, it shows that there is no problem with the well water, and everyone can rest assured to drink it.

If the well fish is suddenly dying or dead, it means that the well water is mixed with toxic substances, or the content of a certain substance is too high, it should be tested quickly and should not be drunk. Because well fish have very high requirements for the environment, people who have ancient wells at home, or people who share several wells of water in a village, all understand this.