There are many species of catfish, so there are both freshwater and seawater species. However, most catfish live in fresh water. Because freshwater catfish have low requirements for the environment and strong survival ability, catfish are found in many freshwater, and their distribution range is relatively wide.

There are not many catfish growing in seawater, and their distribution range is not wide, only in China, Korea and Japan, but rarely in other countries. Although sea catfish and freshwater catfish live in different waters, their habits are quite similar. First of all, they all have no scales, and they all belong to scaleless fish. Secondly, they all secrete a kind of mucus to protect themselves. Finally, they all like to live underwater.

Catfish can be cultured, because they have low requirements for the environment and strong adaptability, so it is relatively simple to cultivate artificially.

If you want to breed catfish in large quantities, you need to prepare enough space for them to move. It is best to build a pond and plant some aquatic plants, which can simulate the wild environment. Catfish have low requirements for water temperature and water quality. As long as the water temperature is not very low and the water quality is not very dirty, they can grow normally.