The Ogan River in the Baturaja region is inhabited by four species of the Cyprinidae family: Rasbora lateristriata, Labiobarbus festivus, Mystacoleucus obtusirostris, and Osteochilus waandersii, which are presumed to exhibit morphological and growth pattern variations. This study aimed to analyze the growth patterns and morphometric variations of these species. The research was conducted in the…