? The knife fish is one of the many fish living in our country. It is often seen in the market that this kind of fish is sold. The body surface of fish not only has fish skin, but also has the structure of scales. Scales are unique to fish, but not all fish have the structure of scales. According to this standard, fish can also be divided. Knifefish are scaly fish, and most of their scales are concentrated on their abdomen. On closer inspection, it is evident that the scales are in the shape of serrated ribbed scales. The scales of
fish stick to the surface of their bodies and play an important role, so do the scales of knife fish. Although the number of their scales is not particularly large, it is still of great significance to their life activities. For example, some bacteria and harmful substances in the water can not enter the body of knife fish because of the blockage of fish scales, which has a great protective effect on them. When eaten, these fish scales need little treatment, because a large proportion of their components are fat, and many of them will melt directly when they are cooked. Does
? Like fish scales, fish bones are also one of the body structures of fish, and like fish scales, they are also more important. However, fish bones are relatively more important for fish, which makes most fish have bones. Knife fish is also one of the typical fish, and they naturally have spines. Different fish are different in many ways, and the number of fish bones is also one of the manifestations of differences. Knife fish is a kind of fish with more bones. Moreover, their thorns are relatively thin and dense, so it will be more troublesome to deal with them. But they are nutritious, so they are still welcomed by many people.
