ABSTRAK Tor tambroides (Cyprinidae) or gadih fish was an endemic fish that inhabit the upstream of the Kampar Kanan River. To understand the length-weight relationship and growth pattern of the fish, a study was conducted in August 2022 - January 2023. The fish were sampled from the river parts that cross the Bandur Picak, Sibiruang, and Tanjung Villages. The fish were collected from fishermen…