Chang Kun-hsiung, a researcher in the institute of Zoology at the Academia Sinica, pointed out in his "Study of Conservation of Ocean Resources at Green Island" that there are nearly 400 different kinds of coral at Green Island. Moreover, the coverage rate (that is, the area around Lu Tao covered with coral) is very high, and there are a huge variety of colors and shapes.
根據中央研究院動物所研究員張昆雄的「綠島海域資源調查與保育」報告指出，綠島的珊瑚種類，總數超過四百種，而且覆蓋率高，形態和色彩極富變化。