@article{INSANI_JATAYU_SIL VALEN_SRI WIDODO_HASAN_2023, title={Comparing genetic Mystacoleucus marginatus and Mystacoleucus padangensis (Cypriniformes: Cyprinidae) based on Cythochrome C Oxidase sub unit I (COI) gene }, volume={9}, url={https://www.ijichthyol.org/index.php/iji/article/view/903}, DOI={10.22034/iji.v9i4.903}, abstractNote={<p><em>Mystacoleucus marginatus</em> and <em>M. padangenesis</em> are freshwater fish species that found in Indonesia. <em>Mystacoleucus marginatus</em> is native to Indonesia and <em>M. padangensis</em> is an endemic species to West Sumatra, Indonesia. This study aimed to investigate the relationship between <em>M. marginatus</em> from the Berantas River, East Java, and <em>M. padangensis</em> from Singkarak Lake, West Sumatra based on the Cytochrome Oxidase subunit I (COI) gene. Based on the results, <em>M. marginatus</em> and <em>M. padangenesis</em> have a close genetic distance, with similarity of 99.81%, having difference of 3 nucleotide bases; then they can be identical or synonym. The nucleotide composition in <em>M. marginatus</em> and <em>M. padangensis</em> are almost similar where the percentage of nucleotide composition in <em>M. marginatus</em> is T (28.1%), C (29.2%), A (27.0%) and G (15.8%) and that of <em>M. padangensis</em> is T (28.3%), C (28.8%), A (26.8%) and G (16.2%). Based on phylogenetic tree, both species are closely related in the same cluster. Therefore, it is suggested they are a same species based on the COI gene, but suggesting further research using mitochondrial DNA complex and in-depth morphological analysis.</p>}, number={4}, journal={Iranian Journal of Ichthyology}, author={INSANI, Liga and JATAYU, Diklawati and SIL VALEN, Fitri and SRI WIDODO, Maheno and HASAN, Veryl}, year={2023}, month={Apr.}, pages={195–203} }