Volume 87 · Number 4 · July 2021 ISSN 0919-9268
Ichiro Imai, Nobuharu Inaba, Keigo Yamamoto … 437
Ayumi Shibano, Minoru Kanaiwa, Mikihiko Kai … 465
Historical distribution of Arctic lamprey Lethenteron camtschaticum in Japanese rivers and its change estimated from fishery statistics and fishers' local ecological knowledgeHiroaki Arakawa, Daisuke Kishi, Seiji Yanai … 479
Biology Histopathology and oxidative stress responses of Nile tilapia Oreochromis niloticus exposed to temperature shocksPhornphan Phrompanya, Paiboon Panase, Supap Saenphet, Kanokporn Saenphet … 491
Age, growth, and reproductive biology of the five-lined snapper Lutjanus quinquelineatus around Okinawa-jima Island, southern JapanKatsuya Araki, Katsunori Tachihara … 503
High-temperature and starvation tolerances of juvenile Japanese Spanish mackerel Scomberomorus niphoniusKaito Harada, Tetsuo Morita, Wataru Deguchi, Masayuki Yamamoto, Tomonari Fujita, Takeshi Tomiyama … 513
Effects of background color and rearing density on stress-related hormones in the juvenile Japanese eel Anguilla japonicaMasafumi Amano, Noriko Amiya, Kanta Mizusawa, Hiroaki Chiba … 521
Geographical differences in the stable isotope ratios of Pacific saury in the North Pacific OceanTaiki Fuji, Masayasu Nakagami, Satoshi Suyama, Hiroomi Miyamoto, Hideaki Kidokoro … 529
Validation of otolith daily increment formation and growth analysis of yellow goosefish Lophius litulonWeifeng Gao, Mitsuhiro Nakaya, Tomoya Ishikawa, Tetsuya Takatsu, Yuhei Takeya, Ryo Suzuki, Kyosei Noro … 541
Occurrence of wild chum salmon fry in the surf zone, and spawning and emergence timing in the adjacent nonstocked river in Niigata Prefecture, JapanMasaya Iida, Yuta Yagi, Tomoaki Iseki … 549
Aquaculture Effects of dietary alfalfa Medicago falcata L. powder on growth performance, nonspecific immunity and digestive enzyme activity of Lateolabrax japonicusAnle Xu, Jingbo Shang-Guan, Zhongbao Li, Qiang Chen … 559
Chemistry and Biochemistry Improvement of anti-infl ammatory activity of salmon muscle peptides by conjugation with alginate oligosaccharide and recovery of the active fraction using ampholyte-free isoelectric focusingKunichika Sugihara, Mizuho Nishizawa-Higashi, Ga-Hyun Joe, Yutaka Onishi, Yutaka Shimizu, Hiroki Saeki … 569
Effects of fasting and water temperatures during transition from freshwater to seawater on juvenile chum salmon growth and metabolismJin Oikawa, Shu Nakamura, Nobuto Kaneko, Mitsuru Torao, Yosuke Koshino, Munetaka Shimizu … 579
A novel property of fWap65-2, the warm temperature acclimation-related 65-kDa protein from pufferfish Takifugu rubripes, as an antitrypsinYuji Nagashima, GuoHua Zhang, Kosuke Sato, Shoichiro Ishizaki, Yoichiro Kitani, Masahiko Okai… 589
Food Science and Technology Seasonal variation of extractive components in Mytilus galloprovincialis musselsMayumi Hirabayasi, Takashi Okazaki, Shota Tanimoto … 599
Study on salinity penetration process into fish meat by simulation and MRILester C. Geonzon, Hannah A. Yuson, Kigen Takahashi, Shingo Matsukawa … 609
Dipeptidyl peptidase-IV inhibitory peptides derived from salmon milt and their effects on postprandial blood glucose levelYoshinori Takahashi, Akira Kamata, Tatsuya Konishi … 619
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