Volume 91 · Number 4 · July 2025 ISSN 0919-9268
Akinori Takasuka … 655
Tan Yi-Li, Nurul Hanisah Juhari, Nuzul Noorahya Jambari, Ashari Rozzamri, Mahmud Ab Rashid Nor-Khaizura, Mohammad Rashedi Ismail-Fitry … 657
Rongpei Guo, Qingpeng Han, Zhou Fang … 679
Biology The hyperglycemic activity of crustacean hyperglycemic hormone in the sakura shrimp Lucensosergia lucensKenji Toyota, Kosuke Goto, Yamato Osugi, Ken-ichi Kobayashi, Tomokazu Suzuki, Kazutoshi Okamoto, Hidekazu Katayama, Katsuhiko Mineta, Takashi Gojobori, Yoshimoto Saito, Tsuyoshi Ohira … 691
Spawning habitat selectivity of Honmoroko (Gnathopogon caerulescens) around the emergent vegetation zone of Lake Biwa, central JapanBanri Koda, Keita Takasaku, Daisuke Ishizaki, Yoshiaki Kai, Takeshi Kikko … 703
Morphological characteristics of male genital organs in four species of small-toothed whalesNoboru Koda, Noriko Funasaka, Motoi Yoshioka … 713
The traditional local fishery of air-breathing sea slug genus Peronia in the Ryukyu IslandsIori Mizukami, Chloé Julie Loïs Fourreau, Guillermo Mironenko Castelló Nanami Yafuso, James Davis Reimer … 727
Largehead hairtail Trichiurus japonicus vision adaptation to dim light conditionsTaeko Miyazaki, Hideya Ohshima, Victor Benno Meyer-Rochow … 747
Brains of Japanese fish: analysis using a new index of brain sizeShigeru Watanabe … 763
Reproductive traits of the diamond squid Thysanoteuthis major around Okinawan waters, south Japan, during the fishing seasonTomohiro Kita, Itaru Ohta, Runa Tabata, Masaki Asato, Kenta Matsuzaki … 779
Aquaculture Warm-temperature rearing potentially increases the lysine and ornithine content in the Japanese flounder Paralichthys olivaceusYuhi Satoh, Yoshio Ishikawa, Takashi Tani … 791
Changes in sperm quality and seminal plasma parameters of masu salmon Oncorhynchus masou during the breeding season and implications for cryopreservation successApatsa Pearson Chelewani, Taishi Shimabukuro, Eisuke Takahashi, Toshiya Nishimura, Takafumi Fujimoto … 799
Inclusion of tilapia (Oreochromis niloticus) by-product meal in the diet for red sea bream (Pagrus major, Temminck & Schlegel) fingerlingsFumiaki Takakuwa, Takanobu Migita, Toshiko Tanaka, Junya Ukei, Taisuke Iizuka … 811
Environment Mismatch between interannual change of riverine phosphorus discharge and coastal DIP in autumn-winter in a semi-enclosed sea area (Chita Bay, Japan)Kazuhiro Aoki, Shigeho Kakehi, Sayaka Sogawa, Asatarou Tsuge … 823
Food Science and Technology Changes in ATP-related compounds and freshness indices in sea urchin gonads during cold storageYuko Murata, Takashi Matsuda, Hiroshi Hoshikawa, Tatsuya Unuma … 833
Incorporation of egg white powder into the heat-induced gel from Peruvian hake (Merluccius gayi peruanus) surimi to improve gel propertiesYafang Shi, Jie-Ting Geng, Chenxu Yang, Zulin Guo, Yuichi Yoshida, Kazufumi Osako … 845
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