? Loach is a kind of more common animal, often can see in our country. From the specific classification point of view, loach belongs to the vertebrate fish, is a relatively special fish. Compared with other fish, their appearance is quite special, unlike most fish. But they also have some common features that most fish have, such as having spines in their bodies. Fish spine is a very important structure for most fish. Although the spines of different fish are different, they generally play a supporting role in the body. The spines of loach also play an important supporting role.
However, as a special fish, the bones of loach are different from those of many other fish. Their bones are very small. In addition, some loaches also have spines on their dorsal fins. For example, there is a kind of loach called "spiny loach", which is named after the spines on its back, because it has 16 spines on its dorsal fin and is relatively hard.
thorns. It has been introduced above that there are thorns in the body of the loach. However, loach is a special kind of fish, one of the manifestations is that their bones are different from those of most fish. In terms of size, the bones of loach are much smaller than those of many other fish. Moreover, in terms of quantity, there are not many spines in the body of loach. If they are used as food, their thorns are relatively easy to remove, and it is easy to peel off their flesh and thorns. There is also the "spiny loach" mentioned above, which has spines on its dorsal fin in addition to its internal spines, and is relatively hard, so it is necessary to be careful not to be hurt by these spines when touching.
