The statement that catfish is dirty is not true. Although the environment in which catfish live is generally not very clean, some even live in stinking ditches. And they also eat some unclean food, such as some rotten food or garbage. However, this does not mean that they are dirty. Because they will digest after eating these foods. Moreover, the cultured catfish will live in water with good water quality, and the food they feed is clean, so it is not dirty.

First, is catfish dirty? Catfish is an edible fish, which is more suitable as food, because they are rich in nutrition and taste better. However, some people think that catfish are very dirty. They are "the dirtiest fish in the world". This is because catfish may live in dirty places, and even catfish are distributed in stinking ditches in some places. Moreover, catfish may eat dirty food, and sometimes even eat rotten food.

However, most catfish are not very dirty. Catfish can be farmed artificially. In the process of breeding, farmers usually do a good job of changing water to ensure the water quality and provide them with normal food. Catfish like this won't be dirty. When buying catfish as ingredients, you must buy good quality, which can be bought in regular stores. Before eating catfish, it is also necessary to clean the catfish, so that the catfish will not be dirty and can be safely eaten.

Second, why is catfish called miscellaneous fish catfish? There is also a nickname called "trash fish". This is related to their living environment and food. Because the living environment of catfish may be dirty, sometimes it even lives in a gutter, and there may be a lot of garbage around it, and it can even be said that it lives in a garbage dump, which is the main reason why catfish is called trash fish. In addition, there may be garbage in the food eaten by catfish, which is also an important reason. Catfish can eat anything, even some rotten food and garbage. Of course, when there are other foods, they don't eat garbage.