by itself? If the fish has no other diseases, the mucus on the body surface can recover by itself. For fish, mucus is a very important secretion, which can not only protect the fish body, but also avoid the invasion of bacteria and reduce the possibility of fish disease. In addition, mucus can also reduce friction, which can accelerate the fish's swimming, so that it can better avoid enemies and prey.
1, catfish: Catfish also calls beard fish, it is the collective name of catfish family fish. This fish has no scales on its body, a lot of mucus on its body, and four whiskers on its upper and lower jaws. It is widely distributed, as a carnivorous fish, mainly living in the bottom of the water, more afraid of light, appetite is also very large, frequent activities at night and cloudy days.
2. Monopterus albus: Monopterus albus, also known as eel, has a snake-shaped body with a length of about 1 meter. Its head is very thick, its tail is very thin, its body is protected by mucus, and its body is yellowish brown. This kind of fish mainly lives in the bottom of paddy fields, rivers, ponds and lakes, and is distributed all over China.
3. Misgurnus anguillicaudatus: Misgurnus anguillicaudatus is a kind of benthic fish. It mainly lives on the bottom of the water with silt. It usually hides in the daytime and comes out at night. It has strong adaptability and can survive in the environment with low dissolved oxygen. And even if the water dries up, it will not die as long as there is a small amount of water to keep it moist.
