1, meat quality. Catfish meat is relatively brown, blackfish meat is more delicate.

2, taste. Catfish has only one main spine, blackfish has more small spines.

3, flavor. The flavor of catfish is not as fresh as blackfish.

4, nutritional value. Blackfish nutritional value is higher than catfish, rich in protein, fat, calcium, phosphorus, iron, thiamin, riboflavin, niacin and other trace substances needed by the human body, the human body has many benefits.