1, shape difference. Basha fish is long and phosphorus-free, with a small head, a wide mouth and big eyes. The dragon fish, on the other hand, has a flat body and scales, and its mouth and eyes are on one side. Basha fish is thicker, while Longli fish is thinner because of its flat body.

2, the taste is different. Both kinds of fish are spineless and scaleless, but the meat of Basha fish has a little fishy smell, while the meat of Longli fish has no fishy smell, and the meat quality and taste of Basha fish are not as good as Longli fish.

3. The price difference. Basha fish is a freshwater fish and Longli fish is a marine fish, so the price of Longli fish is naturally much more expensive than Basha fish.

4. Nutritional differences. Longli fish belongs to marine fish, its nutritional value is relatively higher than Basha fish, its culture conditions are relatively high, and its resources are scarce. However, Basha fish has a large amount of culture and fast growth, and many people call it "China catfish".