There are no sharks near the beaches of Hainan Island, but there are sharks in the South China Sea and Sanya. Sharks are distributed in the East China Sea, South China Sea and Yellow Sea of China. It is reported that sharks are common fish in the South China Sea.

Some experts said that hammerhead sharks were listed in Appendix II of CITES, and international trade was strictly controlled. Local fishery departments should attach importance to the management of national second-class protected animals. Hammerhead shark is a migratory fish, which is common in the South China Sea of China.

Extended information:

Sharks are long spindles. Lateral branchial cleft, normal pectoral fin, not healing with anterior snout; The dorsal position of the north fin; A crooked tail. The body is spindle-shaped with cheeks on both sides of the head, but it is similar to ordinary fish.

With a few exceptions, the typical shark skin is hard and dark gray, and the dentate scales make the skin rough. The tail is strong, asymmetrical and upturned; Fins are pointed; Kiss the tip, protrude forward, crescent mouth, and kiss the lower triangular fangs. Sharks don't have swim bladders, so they need to swim constantly to avoid sinking into the water.