Terubuk fish (Tenualosa macrura) is a small pelagic fish and holds significant economic value for the communities around the Bengkalis Strait and it is also a symbol of Bengkalis Regency. The exploitation of terubuk fish, highly valued for its fish roe, has intensified in the Bengkalis Strait due to interest from both domestic and international fishers. This study aims to map terubuk fish densi…