Aquaculture of coral means breeding coral in a controlled environment. Coral are animals that live in the ocean. They are very colorful and important for the health of the ocean. To breed coral in a controlled environment, scientists set up tanks with salt water and light. They use machines to make sure the water is the right temperature and take away bacteria. They also make sure there is enough food like plankton. The coral are put in the tanks and they can grow, reproduce, and make new coral. Aquaculture of coral helps scientists learn more about coral, and it helps make sure there is healthy coral in the ocean.