抄録
Coral has important value. In recent year, coral of the important value is damaged. This laboratory has developed an underwater robot. This research, underwater root to clean the crown-of-thorns starfish. Underwater robot is mounted acetic acid syringe to perform the removal of starfish. The end effector experiment in the pool and the sea. Object of the sea experiment use the crown-of-thorns starfish. Underwater robot was able to be injection into the crown-of-thorns starfish at the sea experiment. Crown-of-thorns starfish became only a bone and the needle 11 days later. Therefore, underwater robot can be the acetic acid injection in the sea.
