1. Guanxi Beibu Gulf Marine Research CenterGuanxi Academy of Sciences Nanning Guanxi 530007 China
2. Marine Biology Institute, College of ScienceShantou University Shantou Guangdong Province 515063 China
3. China and Guanxi Major Laboratory of Beibu Gulf Marine Biodiversity ConservationQinzhou University Guanxi 535011 China
4. Guanxi Major Laboratory of Beibu Gulf Marine Biodiversity ConservationQinzhou University Guanxi 535011 China
5. Department of Marine Science, College of OceanQinzhou University Guanxi 535011 China
6. Key Laboratory of Aquatic Biodiversity and ConservationInstitute of Hydrobiology, Chinese Academy of Sciences No. 7 Donghu South Road, Wuchang District Wuhan Hubei 430072 China
7. Edeni's Eden: Balaenoptera investigation base on the Weizhou Island Behai, Guanxi 536000 China