Biodiversitas Ikan Di Danau Gatal Kabupaten Rokan Hilir Provinsi Riau

Abstract Gatal Lake is a natural lake that receive water from the Rokan River during the rainy season. This lake is inhabited by many fish species. However, the information about the type of fish in that area is limited. To understand the types of fish present in the Gatal lake, a study has been conducted in November 2021 to March 2022. Fish sampling were conducted once a week / month until no…