February 2004 [Original paper] Box-model Simulation for the Migration of Juvenile Shirauo (Salangichthys microdon) from the Main Stream to the Oxbow Lake in the Ishikari River Motohito Yamaguchi  and Takashi Fujioka Bull. Jpn. Soc. Fish. Oceanogr.  68(1), Page 1-8, 2004 Recent Increase of Jellyfish Populations and their Nuisance to Fisheries in the Inland Sea of Japan Shin-ichi Uye  and Uka Ueta Bull. Jpn. Soc. Fish. Oceanogr.  68(1), Page 9-19, 2004 Estimation of the Spawning Ground of Jack Mackerel in the East China Sea Based on the Catch Statistics and Biometric Data Mari YODA , Seiji OHSHIMO and Yoshiaki HIYAMA Bull. Jpn. Soc. Fish. Oceanogr.  68(1), Page 20-26, 2004 Estimation of Distribution Boundary between two Sandfish Arctoscopus japonicus Stocks in the Sea of Japan off Honshu, Japan using Density Indices Kyuji WATANABE , Hideki SUGIYAMA, Shigeo SUGISHITA, Naoki SUZUKI and Kazumi SAKURAMOTO Bull. Jpn. Soc. Fish. Oceanogr.  68(1), Page 27-35 , 2004 Bathymetric Distribution and Migration of Hair Crab, Erimacrus isenbeckii, off the Pacific Coast of Western Hokkaido Eiji Mihara Bull. Jpn. Soc. Fish. Oceanogr.  68(1), Page 36-43 , 2004 [Commentary] Statistical Test and Model Selection of Fish Growth Formula Tatsuro AKAMINE Bull. Jpn. Soc. Fish. Oceanogr.  68(1), Page 44-51 , 2004