Pacific humpback dolphin Pacific humpback dolphinalso known as the Indo-Pacific humpback dolphin; Sousa chinensis Related Articles: How is sound used to estimate marine mammal abundance?Specialized Sounds in Cetacean CommunicationAustralian Humpback DolphinIndo-Pacific Humpback Dolphin Chris Knowlton2018-01-22T21:52:19-05:00