State Key Laboratory of Marine Resources Utilization in South China Sea of Marine Science University;
Key Laboratory of Ocean and Marginal Sea Geology China Sea Institute of Oceanology Academy of Sciences;
Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou);
State Key Laboratory of Estuarine and Coastal Research China Normal University;
Indian Ocean; 18S rRNA; Zooplankton diversity; Depth profile; Spatial variation;