The fauna of Hydromedusae in Daya Bay belong to Indo-Malayan Subregion of Indo-West-Pacific Region.
大亚湾海域水螅水母类，其动物地理区划属印度-西太平洋区印-马亚区。
2
Considering classification of Bivalvia fauna of Vietnam coast, the fauna should belong to the Indo-Malayan subregion under the Indo-west Pacific region.