Zooplankton is a microscopic aquatic organisms that has limited movement and represent as natural food resources in aquatic systems. A research aims to determine types and abundance of zooplankton has been carried out on March-April 2018 in the Bandar Kayangan Lembah Sari Reservoir. There are four stations namely Station 1 (in the Ambang River riverin zone), Station 2 (in the Merbau River river…