Seahorses swim elegantly and vertically by using a quickly oscillating dorsal fin. It is one of the most favorite ornamental fish. In addition, seahorse has various uses. In oriental, the fish is used as a high value traditional Chinese medicine. In addition, seahorse has various uses. In Western, it was made as decoration. Due to the overfishing, seahorse was included on the Appendix II of CITES since 2004 to limit international trade. This project is to film this creature as introduction to balance the conservation and utilization.