Abstract The Lubuk Siam and Pinang Dalam oxbow lakes are located along the Kampar River bank. As the Kampar River receive heavy metal contained pollutant, the fish that are living in those lakes may accumulated the heavy metals such as Pb and Zn. To understand the Pb and Zn content in the organs of Hemibagrus nemurus, a study has been conducted on March-April 2020. The skin, liver, and ki…