Fifteen species of the genus Osteochilus are found in Indonesia’s inland waters, including O. borneensis, O. kelabau, O. vittatus, O. melanopleura, O. schlegli, O. kahajenensis, O. repang, O. triporus, O. brachynotopterus, O. hasselti, O. kappeni, O. waandersi, O. brevicauda, O. spilurus, and O. harrisoni. Among these, O. vittatus inhabits Lake Maninjau, Lake Singkarak, the Koto Panjang Reservoir, and the Kampar Kanan River (Kurniawan et al., 2020, 2021). Osteochilus vittatus, commonly known as the bonylip barb, is an endemic species to Indonesia, found in freshwater environments such as rivers and swamps in Java and Sumatra (Imron et al., 2024; Rochmatin et al., 2014), also in Madura Island (Hasan et al., 2019) and Bali (Parawangsa et al., 2022). This species belongs to the Cyprinidae family. Its natural habitat includes water bodies where the periphyton groups Cyanophyceae and Chlorophyceae are abundant, providing a source of natural food. The diet of O. vittatus consists of detritus and periphyton-associated organisms, including aquatic algae, cyanobacteria, and heterotrophic microorganisms found beneath the water’s surface (Siahaan et al., 2024; Aryani et al., 2017). The bonylip barb is also referred to by various local names, including lehat, magut, regis, milem, muntu, trough, pawas, puyau, asang, penopa, and carp.