The study found that the mussel festival. Mussel festival that comes from a source in the middle of the continent. America, the Pacific Coast For spreading it. Expected to be attached to the water in the ballast tanks of ships with mussel larvae. Municipal growth Or from larvae that sticks out. With the ship and were breeding in the area. During the festival mussel species and increase of population during the past two years. During the month of July And January The relationship with the salinity of the water. And density of phytoplankton are the food of the mussel festival. The island's dense mussel festival to stick on the play ground or water supplies, thus barring the island of organisms adhering to other types cause problems for biodiversity. The balance of the ecosystem