Osphronemus gouramy and Channa micropeltes inhabit the the Koto Panjang Dam, Riau. The presence of anthropogenic activities may produce heavy metal that enter the water and thus accumulate in the organisms living in that area. A study aims to understand the heavy metal content in gill, muscle and kidney of O. gouramy and C. micropeltes living in that dam, as well as in the water and in the…