#Knowledge#Catfish is a common freshwater edible fish, also known as "catfish", which belongs to the blue catfish family. They live in rivers, lakes and reservoirs and are one of the most common freshwater fish in southern China.
Appearance characteristics:
Catfish have a long cylindrical body with a slightly brown or grey back and a white or light yellow belly. The head is flattened , the mouth is large and rounded, and there are 4 pairs of whiskers. Adult male catfish have protrusions on their heads, which are one of their sexual characteristics.
Habit:
Catfish are omnivorous and feed mainly on small benthic animals, molluscs, insects, and small teleost fish. They prefer to be active at night and hide in the water and grass during the day. Because it is accustomed to living in an environment with a silt bottom, it is often considered an animal that "rolls in the mud".
Nutritive value:
As a common edible fish, catfish is tender, delicious, and rich in nutrients such as high-quality protein, unsaturated fatty acids, vitamins and minerals. Among them, the rich unsaturated fatty acids help reduce blood cholesterol levels, which is beneficial for cardiovascular health.
Cultivation:
Due to its delicious meat quality, catfish has also become an important cultured species. In the breeding process, attention needs to be paid to maintaining clean water quality and a reasonable amount of feed feeding to ensure its healthy growth. At the same time, care needs to be taken to prevent diseases and predators.
In conclusion, as a common freshwater edible fish, catfish is not only delicious but also rich in nutrients. I hope that while enjoying food, everyone can pay attention to issues such as environmental protection and reasonable consumption.