The present study was conducted from March 2023 to February, 2024 to understand the seasonal and spatial variation of zooplankton community of Parasdoh reservoir. The study provide new insights into reservoir ecology, water quality and valuable information about seasonal changes affected zooplankton community. During the study period, total 110 zooplankton species were recorded in this reservoir at three stations in which 46 species of Rotifera, 27 species of Cladocera, 9 species of Copepoda, 24 species of Protozoa, 4 species of Ostracoda were observed.