1, the definition of the difference: Qian fish and catfish naming perspective is different. Qian fish is one of the many varieties of catfish, is named according to the category. But catfish is named according to the living environment, all catfish live in the waters of the Qingjiang Reservoir.

2, including the difference in species: Qian fish and catfish referred to the number of species is different. Qian fish only contains this kind of fish, but catfish refers to a variety of fish.

3, the difference in living environment: Qian fish was originally a fish species endemic to North America, wild Qian fish live in all kinds of fresh water, in addition they can also be artificially cultured. Later, in Asia and Europe also have this fish, artificial breeding behavior is also more common. But the catfish is different, they only live in our country, and only the Qingjiang River reservoir area in the fish can be called clear catfish.