This study aims to determine The Types and Density of Starfish (Asteroidea) in The Seagrass Ecosystem of Pengudang Village, Bintan Regency, Kepulauan Riau Province. This research was conducted in September 2024 in Pengudang Village, Bintan Regency, Kepulauan Riau Province. Collecting and observations of starfish samples were conducted at three station points with three line transects each. In e…