ABSTRACT Razor clam (Solen lamarckii) is a type of pelecypoda that has high economic value on the Apiapi village waters, Bengkalis Regency. This research aims to study the population structure and reproduction of razor clam. The study was carried out over 2 month period from September to October 2019 at Apiapi village waters, Bengkalis Regency. Razor clam samples were collected by using a …