Abstract This research was conducted in March 2019, located in the village of Teluk Bakau, Gunung Kijang District, Bintan Regency. Sampling was carried out in 3 sampling areas, with 3 replications one month. The purpose of this study was to identify the type of gastropods that live in seagrass ecosystems. This research uses survey method, with line transect technique. The results of the stud…