Volume 81 · Number 4 · JULY 2015 ISSN 0919-9268
Toshio Takeuchi and Yutaka Haga … 591
Kevin Foley, Amanda Rosenberger and Franz Mueter … 601
Abundance estimates of dalli-type and truei-type of Dall's porpoise Phocoenoides dalli in the western central part of the Sea of Okhotsk, July–September between 1990 and 2010Yu Kanaji, Tomio Miyashita, Hideyoshi Yoshida, Makoto Okazaki and Toshiya Kishiro … 611
Target strength spectra of tracked individual fish in schoolsMasanori Ito, Ikuo Matsuo, Tomohito Imaizumi, Tomonari Akamatsu, Yong Wang and Yasushi Nishimori … 621
Prediction of on-site depuration of paralytic shellfi sh poisoning toxins accumulated in the scallop Patinopecten yessoensis of Ofunato Bay, JapanShinnosuke Kaga, Shigeru Sato, Yoshimasa Kaga, Kimiaki Naiki, Shiho Watanabe, Yuichiro Yamada and Takehiko Ogata … 635
Biology Profiles of circulating insulin-like growth factor-I during smoltification of masu salmon reared under different conditionsNobuto Kaneko, Anai Iijima, Takahiro Shimomura, Takuro Nakajima,
Haruka Shimura, Hajime Oomori, Hirokazu Urabe, Akihiko Hara and Munetaka Shimizu … 643
Hongjian Lü, Hongjun Chen, Mei Fu, Xiwen Peng, Dan Xi and Zhixin Zhang … 653
Biological characteristics of Conger myriaster during the initial stage of spawning migration in the East China SeaMasanori Kawazu, Takafumi Kameda, Hiroaki Kurogi, Mari Yoda, Seiji Ohshimo, Takeshi Sakai, Youichi Tsukamoto and Noritaka Mochioka … 663
Transition of the retinal area centralis in bluegill Lepomis macrochirus as an implication of changes in feeding ecology with ageYuuki Gomi and Taeko Miyazaki … 673
Can red sea bream Pagrus major learn about feeding and avoidance through the observation of conspecific behavior in video playback?Kohji Takahashi, Reiji Masuda and Yoh Yamashita … 679
Effects of hypoxia on the feeding intensity and somatic condition of the blackfin flounder Glyptocephalus stelleri in Funka Bay, JapanYuta Inagaki, Tetsuya Takatsu, Takao Uenoyama, Noriko Yoneda, Shinichi Yokoyama, Yoshihiko Kamei, Naoto Kobayashi and Toyomi Takahashi … 687
Molecular cloning and expression analysis of Relish gene from the ridgetail white prawn Exopalaemon carinicaudaQianqian Ge, Junping Liang, Jitao Li, Jian Li, Yafei Duan, Fazhen Zhao and Hai Ren … 699
Aquaculture Optimal dietary protein to energy ratio for juvenile peanut worm Sipunculus nudus LinnaeusQin Zhang, Qingchao Wang, Hairui Yu, Kangsen Mai, Tong Tong, Lanfang Dong and Mingzhu Xu … 713
Replacement of fish meal by meat and bone meal in diets for juvenile snakehead Ophiocephalus argusHairui Yu, Qin Zhang, Hui Cao, Tong Tong, Guoqiang Huang and Weizhong Li … 723
Development of larval culture methods for blue-legged gold coral banded shrimp Stenopus cyanoscelis: effects of prey type and prey densityHaruo Tsuji, Chaoshu Zeng, Nicholas Romano, Paul C. Southgate and Haihui Ye … 731
Environment Comparison of radioactive cesium contamination of lake water, bottom sediment, plankton, and freshwater fi sh among lakes of Fukushima Prefecture, Japan after the Fukushima falloutKeishi Matsuda, Kaori Takagi, Atsushi Tomiya, Masahiro Enomoto, Jun-ichi Tsuboi, Hideki Kaeriyama, Daisuke Ambe, Ken Fujimoto, Tsuneo Ono, Kazuo Uchida, Takami Morita and Shoichiro Yamamoto … 737
Differential okadaic acid accumulation and detoxification by oysters and mussels during natural and simulated Dinophysis bloomsLuiz Laureno Mafra Jr, Tatiany Ribas, Thiago Pereira Alves, Luís Antonio Oliveira Proença, Mathias Alberto Schramm, Hajime Uchida and Toshiyuki Suzuki … 749
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