? Fish belong to vertebrates. They are relatively advanced animals. Their bodies are composed of many parts. Fish bones are one of these structures, which are located in the body of fish. Moreover, fish bones are very important in the structure of fish, so most fish have bones. Saury is a kind of fish that lives in our country, and it is a very famous fish. Knifefish also have spines, which exist in their bodies and are not easy to observe from the appearance. However, the role that the bones of the knife fish can play is more important. The main bones of the knife fish are connected with their spine, which has a very important supporting role. The bones in the muscles can also support their muscles.
above. The knife fish is a kind of fish with bones. In fact, the fish bone itself is more important for most fish, so most fish species have bones. But not all fish have exactly the same spines. Some have a lot of spines, and some have very few spines. Knife fish belong to the former, and they have relatively more spines. The spines in their bodies are not only large spines, but also small spines and fine spines. The big spines
of saury are basically near the spine, and the arrangement is relatively close. This kind of spines is convenient to handle when eating, without too much trouble. However, there are still some fine spines and small spines in the muscles of knife fish, and some fine spines are relatively dense. Therefore, it will be more difficult to deal with these small thorns. However, the knife fish itself is a popular kind of fish, because their meat is delicious and nutritious.
