Red tides have become a major environmental issue in China. A national fundamental and key project in China called “The ecological and oceanographical occurring mechanism of harmful algae blooms in the coastal seas of China (CEOHAB)” started in 2001. Zooplankton grazing is a key process during red tide events, and its study is a component of this project. This paper analyzes and reviews the zooplankton grazing strategies and food type, measurement methods for grazing rates and pressure, grazing effects on ...