grass carp, silver carp, cuttlefish and catfish.

1. Grass carp, a streamlined fish with more meat and fewer thorns, is the first choice for boiled fish. In restaurants, most of them are grass carp.

2. Silver carp, also known as chubby fish, is a relatively large fish with thick meat. Compared with other fish, it has fewer thorns and more meat.

3. The flesh of snakehead is thicker and has fewer thorns than that of grass carp and silver carp.

4. Catfish, like snakehead, has more meat and less thorns, and is also suitable for cooking.