1. Re-Assessment of the Conservation Status of the Indo-Pacific Humpback Dolphin (Sousa chinensis) Using the IUCN Red List Criteria Thomas A. Jefferson and Brian D. Smith 2. Humpback Dolphins in Hong Kong and the Pearl River Delta: Status, Threats, and Conservation Challenges Leszek Karczmarski, Shiang-Lin Huang, Carmen K. M. Or, Duan Gui, Stephen C. Y. Chan, Wenzhi Lin, Lindsay Porter, Wai-Ho Wong, Ruiqiang Zheng, Yuen-Wa Ho, Scott Y. S. Chui, Angelico Jose C. Tiongson, Yaqian Mo, Wei-Lun Chang, John H. W. Kwok, Ricky W. K. Tang, Andy T. L. Lee, Sze-Wing Yiu, Mark Keith, Glenn Gailey and Yuping Wu 3. Biology and Conservation of the Taiwanese Humpback Dolphin, Sousa chinensis taiwanensis John Y. Wang, Kimberly N. Riehl, Michelle N. Klein, Shiva Javdan, Jordan M. Hoffman, Sarah Z. Dungan, Lauren E. Dares and Claryana Araujo-Wang 4. The Behavioural Ecology of Indo-Pacific Humpback Dolphins in Hong Kong Bernd Wursig, E. Christien M. Parsons, Sarah Piwetz and Lindsay Porter 5. Indo-Pacific Humpback Dolphins in Borneo: A review of Current Knowledge with Emphasis on Sarawak Gianna Minton, Anna Norliza Zulkifli Poh, Cindy Peter, Lindsay Porter and Danielle Kreb 6. Conservation Status of the Australian Humpback Dolphin (Sousa sahulensis) using the IUCN Red List Criteria Guido J. Parra and Daniele Cagnazzi 7. Australian Humpback Dolphins of the Wild West: A Review of Current Knowledge and Recommendations for Future Management Daniella M. Hanf, Tim Hunt and Guido J. Parra 8. Observations on Australian humpback dolphins (Sousa sahulensis) in Waters of the Pacific Islands and New Guinea Isabel Beasley, Maria Jedensjo, Gede Mahendra Wijaya, Jim Anamiato, Benjamin Kahn, and Danielle Kreb 9. Sexual Dimorphism and Geographic Variation in Dorsal Fin Features of Australian Humpback Dolphins, Sousa Sahulensis Alexander M. Brown, Lars Bejder, Guido J. Parra, Daniele Cagnazzi, Tim Hunt, Jennifer L. Smith and Simon J. Allen 10 .Conservation Status of the Indo-Pacific Humpback Dolphin (Sousa chinensis) in the Northern Beibu Gulf, China Bingyao Chen, Xinrong Xu, Thomas A. Jefferson, Paula A. Olson, Qiurong Qin, Hongke Zhang, Liwen He and Guang Yang