February 2019   [Original papers]   Annual reproductive cycle and shell length frequency distribution of the clam Mactra chinensis in the dredge fishing ground in Mikawa Bay Kohei Kawamura, Satoshi Yamada, Yasuo Nakashima, Hirotake Hattori, Masahiro Narita and Yasuhiro Hirazawa Bull. Jpn. Soc. Fish. Oceanogr. 83(1), Page 1-9, 2019   Influence of the Kuroshio path on the catches of Japanese butterfish Hyperoglyphe japonica in waters around Hachijyo-jima Island in central Japan Haruhiko Hino, Shinya Baba and Ichiro Komazawa Bull. Jpn. Soc. Fish. Oceanogr. 83(1), Page 10-18, 2019   Seasonal and interannual variability in crude fat content and condition factor of chub mackerel Scomber japonicus captured from waters off northeastern Japan during 2012-2017 Akihiko Yatsu, Kiyotaka Takahashi, Kazuyoshi Watanabe and Osamu Honda Bull. Jpn. Soc. Fish. Oceanogr. 83(1), Page 19-27, 2019   Zoning of the central and western parts of the Seto Inland Sea based on the principal component analysis of sediment parameters and comparison between the 2016 and previous surveys Hisashi Yokoyama and Tateki Fujiwara Bull. Jpn. Soc. Fish. Oceanogr. 83(1), Page 28-41, 2019   [Symposium]   Fish catches under environmental changes: Considerations from the viewpoints of ecosystem and the food web structure Bull. Jpn. Soc. Fish. Oceanogr. 83(1), Page 42-49, 2019   Construction of advance biologging system to implement high data-recovery rate -A challenging study to clarify the dynamics of fish population and community Bull. Jpn. Soc. Fish. Oceanogr. 83(1), Page 50-62, 2019   [Information]   Abstracts of papers in Fisheries Oceanography, 27(6), 28(1) Bull. Jpn. Soc. Fish. Oceanogr. 83(1), Page 63-68, 2019   Quick report of symposium Bull. Jpn. Soc. Fish. Oceanogr. 83(1), Page 69-70, 2019   Minutes of the Executive Committee Bull. Jpn. Soc. Fish. Oceanogr. 83(1), Page 71-74, 2019