Angle-dependent target strength variability of Kawakawa (Euthynnus affinis) measured Ex Situ using broadband echosounderMoh. Rafli Furqan Hidayat, Henry Munandar Manik, Totok Hestirianoto and Syahrul PurnawanBIO Web Conf., 234 (2026) 01007DOI: https://doi.org/10.1051/bioconf/202623401007