ABSTRACT This research was conducted in Mai - July 2019 in the mangrove area of Padang Birik-Birik Village, Pariaman City, West Sumatra. This study aims to determine the growth and survival of lokan (Polimesode erosa) seed shells with different densities. The method used in this study is an experimental method with a completely randomized design (CRD) consisting of one factor (stocking densit…