1, Basha fish is a freshwater fish of Perciformes, with fewer bones and thinner bones. The fishbone of Basha fish is mainly concentrated near the back and lateral line, which is relatively easy to remove.

2. The snakehead is a kind of freshwater fish of Perciformes, and its bones are relatively large and thick. The bones of snakehead are widely distributed, not only near the back and lateral lines, but also in all parts of the fish, including the abdomen and tail.