1. There are hairtails and spines.

2. The fish bone can be said to be a unique structure shared by most fishes and is one of the unique characteristics of fish. Hairtail is no exception and also has fish bones.

3. The fishbones of hairtails refer to the spines in their bodies, and there are no spines outside their bodies.

4. An important supporting structure in the center of the hairtail body is the spine. Their spines are distributed around the spine, and the main function of these spines is the same as the spine.

5. The lack of fish bones will cause them to be unable to move and survive normally.