Kampar River is a river that also has various types of fish that are popular with the community and are fish that are characteristic of flood-prone areas. One type of fish is the hidung budak fish (Ceratoglanis scleronema). Research on genetic diversity using the 16S rRNA gene of hidung budak fish C. scleronema from the Kampar River, Langgam District, Pelalawan Regency, Riau Province has never …