The number of coral species recorded and coral coverage at North Channel, West Dongsha island and South Channel were 142 and 30-40%, 104 and 30%, and 76 and 20%, respectively.

• 东沙环礁的北水道海域珊瑚群聚状况较佳，石珊瑚与软珊瑚的数量较丰富，珊瑚种类数目计142种，覆盖率约30至40%25，其中巨枝鹿角珊瑚、纹形鹿角珊瑚、肉质软珊瑚、指形软珊瑚和叶形软珊瑚等种类数量较多。