White shrimp (Penaeus merguiensis) inhabits coastal waters around the Dumai City. A study aims to understand the biological aspect of the shrimp has been conducted on June to July 2021. There were 4 stations, namely the waters around the Rampang, Mampu and Payung islands and in the Purnama Coast. The shrimp was captured using nets, two weekly, 4 times. There were 230 shrimps captured (82 m…