May 2013   [Original papers]   Determination of upper boundary of an acoustic blind zone produced by the rugged bottom during a survey using a quantitative echosounder Hideaki Tanoue, Teruhisa Komatsu and Akira Hamano Bull. Jpn. Soc. Fish. Oceanogr. 77(2), Page 53-58, 2013   Sexual maturation, spawning period and batch fecundity of Japanese sardine Sardinops melanostictus in the coastal waters off western Japan in 2008-2010 Michio Yoneda, Hiroshige Tanaka, Satoshi Honda, Hiroshi Nishida, Kazuya Nashida, Yuichi Hirota, Minoru Ishida, Seiji Ohshimo, Shin Miyabe, Haruka Ito and Akio Shimizu Bull. Jpn. Soc. Fish. Oceanogr. 77(2), Page 59-67, 2013   Trophic positions of jellyfish, comb jellies and epipelagic fish in Hiuchi-nada, the central Seto Inland Sea, Japan: Evaluation based on carbon and nitrogen stable isotope analyses Hiromu Zenitani, Naoaki Kono, Shingo Watari and Youichi Tsukamoto Bull. Jpn. Soc. Fish. Oceanogr. 77(2), Page 68-82, 2013   Influence of Tsushima Warm Current on the fishing ground formation of swordtip squid (Photololigo edulis) in the Sea of Genkai, Japan Akihiko Ando, Hideaki Nakata and Joji Ishizaka Bull. Jpn. Soc. Fish. Oceanogr. 77(2), Page 83-91, 2013   [Symposium]   The 12th workshop on Hiroshima Bay: “Watershed management of the Ohta River for sustainable production and development” Bull. Jpn. Soc. Fish. Oceanogr. 77(2), Page 92-105, 2013     Joint Kyushu-Okinawa symposium 2012: “Tsushima Straits” Bull. Jpn. Soc. Fish. Oceanogr. 77(2), Page 106-129, 2013   [Information]   The 13th workshop on Hiroshima Bay Bull. Jpn. Soc. Fish. Oceanogr. 77(2), Page 130, 2013   Abstracts of papers in Fisheries Oceanography, 22(1), 22(2) Bull. Jpn. Soc. Fish. Oceanogr. 77(2), Page 131-134, 2013   Book Review Bull. Jpn. Soc. Fish. Oceanogr. 77(2), Page 135, 2013   Minutes of the Executive Committee Bull. Jpn. Soc. Fish. Oceanogr. 77(2), Page 136-149, 2013   Regulations of the Society Bull. Jpn. Soc. Fish. Oceanogr. 77(2), Page 150-153, 2013