? Loach is a common and farmed fish, which is often farmed as an economic fish. When breeding many freshwater fish, breeders usually prepare oxygen pumps and other tools in advance to supplement oxygen to fish in time. However, when breeding loach, it is generally not necessary to do so, because loach generally does not need oxygen. Loach is a kind of fish with very good adaptability and strong vitality, and they also have good adaptability to the dissolved oxygen in the water, and they can survive in the case of relatively low dissolved oxygen. An important reason for the good adaptability
of loach to dissolved oxygen in water is their special respiratory organs. Not only do they have gills as a respiratory organ like other fish, but they can also breathe through the intestinal wall. When the dissolved oxygen in the water is insufficient, the loach will float to the top of the water, then jump out of the water and breathe with the intestinal wall. At this time, they will swallow the air directly and discharge the exhaust gas through the anus. However, although loaches can survive when oxygen levels are low, oxygen can still affect their growth. Therefore, if you want to make the loach grow well, try to ensure that the dissolved oxygen in the water is higher.
above, loach is a very adaptable fish with strong vitality. Even if they are not artificially fed, they generally do not die. This is because the loach's feeding habits are very wide, they will use many organisms in the water as food, plants and animals can be. As long as the water is rich in silt and organisms, the loach will not starve to death in the water. However, if loach is cultured as an economic fish, it is necessary to feed them. Only by preparing rich and nutritious food for them, can they grow fast and well, and the economic benefits will be higher.
