Seagrass ecosystem in the Madong Bay is inhabited by numerous aquatic organisms, including gastropods. A research aim to determine the community structure of gastropds in the seagrass ecosystem has been conducted on July – August 2019. Data was collected from 3 stations, there were 2 line transects in each station. In each line there was 4 quadrats (1m x 1m). Gastropods present inside the qua…