1, the four major fishes are herring, grass carp, silver carp and bighead carp, among which herring has fewer thorns.

2. Although these four kinds of big fish have different names, they all belong to CYPRINIDAE and are close to carp. There are many intermuscular bones, that is, small thorns, which are more troublesome to eat. If you want to eat fish with fewer thorns, it is recommended to buy sea fish. There are not many spines in freshwater fish such as perch, catfish and mandarin fish.