Darondo, F.A., Halim, S. sugianto, Wudianto, W.W. and Jabbar, M.A. 2020. Size structure, the pattern of growth and the average length at first captured by fish Madidihang (Thunnus albacares) in the waters of Bitung. JURNAL ILMU DAN TEKNOLOGI PERIKANAN TANGKAP. 5, 1 (Jun. 2020). DOI:https://doi.org/10.35800/jitpt.5.1.2020.28048.