Silver carp is a kind of freshwater fish, which is quite common in China, and is one of the "four major domestic fishes.". Scale is one of the most important structures in fish. There are scales on the body surface of many fish, which cover their whole body and play an important role. Silver carp are also scaly, and their bodies are covered with a layer of scales, which are generally small and sometimes difficult to observe. Because their scales are relatively small, it is more troublesome to deal with them.
As mentioned above, silver carp have scales. They evolved the structure of scales in the long process of evolution because scales can play an important role in their life activities and are an indispensable structure. The most important role is to protect the body of silver carp, scales can play a role in isolating the body and external bacteria of silver carp, can effectively prevent the invasion of many bacteria, prevent silver carp from getting sick after infection. In addition, the scales also have the function of reflecting and refracting light, which can avoid the silver carp being found by some large predators, and can also play a role in protecting its body.
In addition, the scales of silver carp are smaller and more numerous, which can reduce the friction between the body of silver carp and water to a certain extent, so that silver carp can move more flexibly and conveniently in the water.
