Hidayat, T., Fauzi , M., Widiyastuti, H., Zamroni, A., Noegroho, T., Jabbar, M.A., Mardlijah, S., Lestari, P., Yusuf, H.N., Priatna, A. and Nurulludin 2026. Population structure, stock status, and management implications of longtail tuna (Thunnus tonggol) in the Natuna Sea, Indonesia. International Journal of Aquatic Biology. 14, 1 (Jan. 2026), 35–45. DOI:https://doi.org/10.22034/ijab.v14i1.2712.