Manta rays are also known as manta rays and carpet rays. Feeds on planktonic crustaceans and small fish. Ovoviviparous. Distributed in tropical and temperate sea areas, China is found in the East China Sea, South China Sea and the coast of Taiwan. Common ones include Japanese manta rays and manta rays. Their livers are rich in fat, which can be used to extract fish oil. Manta rays are the largest species of rays. Although it is not aggressive, it is powerful enough to destroy small boats if disturbed.