Catfish is not dirty.

Catfish is a kind of freshwater fish, it has no scales on the whole body, the epidermis is more mucus, the color is gray-black, can't say that catfish is dirty because of the poor growing environment of the catfish, which can only show that it is more capable of survival. Catfish like to grow in the middle and lower layers of lakes and fish ponds, and grow quickly. Catfish sold on the market are regular artificial breeding catfish, there is no safety problems, is safe to eat.

Reasons for people's misconceptions about catfish:

1, catfish are often found living in sewage, muddy water, stinky water, garbage water. This actually reflects the catfish's ability to adapt and resist disease. Especially in places where other fish can't survive, the catfish's magical "one-upmanship" adds to the impression that it's dirty.

2, catfish is carnivorous, and can eat carrion and even feces. So, the carcasses, carrion and feces of many animals in the natural world can be the catfish's food. But can eat does not mean only eat, but the natural world of catfish to small fish, shrimp, worms for food, but it is still difficult to escape people on its "dirty" characterization.

3, catfish look "ugly", covered in mucus, subjective people more easily and "horror" "disgusting" linked. "Scaleless fish" or some fine-scaled fish common body more mucus, in fact, that is only a protective fluid, and large fish scales have a similar role. This is common for such creatures, and there is no need to feel that catfish are special.