Volume 91 · Number 1 · January 2025 ISSN 0919-9268
Pinto Leonidio Hanamulamba, Tierry Val de Medeiros, Igor Hister Lourenço, Marcelo Rodrigues dos Anjos, Luis Felipe de Almeida Duarte … 1
Biology Role of follicle-stimulating hormone in gonadal sex differentiation via expression of steroidogenic enzymes in Nile tilapia, Oreochromis niloticusHe Gao, Tomomitsu Arai, Chak Aranyakanont, Dan Li, Megumi Tada, Shigeho Ijiri … 13
Development of flexible glucose biosensor for fish stress monitoringChihiro Morita, Tengyu Liu, Haiyun Wu, Masataka Murata, Haruto Matsumoto, Hitoshi Ohnuki, Hideaki Endo … 25
Differences in benthic assemblage structures between vegetated and unvegetated habitats in a salt marsh in Lake Shinji, western JapanShun Kawaida, Masahiro Horinouchi, Kengo Kurata, Kenji Toda … 33
Changes in physiological and behavioral thermoregulation in juvenile yellowfin tuna, Thunnus albacares, with increasing body sizeHaruhiko Hino, Takashi Kitagawa, Takayuki Matsumoto, Yoshinori Aoki, Shingo Kimura … 47
Integrating genetic and morphological data to assess species delimitation of two Japanese large abalones: Haliotis discus discus and H. madakaShotaro Hirase, Sota Ikegaya, Kiyoshi Kikuchi … 65
Molecular detection of novel epibiont ciliates associated with the gill of Manila clam Ruditapes philippinarum: a potential first case of mussel protozoan X (MPX)-like ciliates in JapanNanako Takamine, Tetsuro Ikuta, Ryota Matsuo, Kiyotaka Takishita … 77
Influence of body size on the uptake or depuration of 137Cs originating from feed in three salmonid speciesKeishi Matsuda, Shoichiro Yamamoto … 89
Effects of sexual maturation on the lipid content of aquaculture-produced female Pacific bluefin tuna (Thunnus orientalis)Takao Hayashida, Kentaro Higuchi, Hiroyuki Matsunari, Ayako Suzuki, Takeshi Eba, Satoshi Shiozawa, Koichiro Gen … 99
Aquaculture Identification of cymothoid isopods probably responsible for mass mortality of hatchery-reared Pacific bluefin tuna Thunnus orientalis juveniles after transfer to sea cagesKousuke Umeda, Masato Nitta, Tomokazu Takano, Kazunori Kumon, Takeshi Eba, Yuta Mtsuura, Tommasa Matsuyama … 109
Integrating geometric morphometrics to biotechnology: a multivariateapproach to discriminating, males, females, gynogenetic, and diploid and triploid juveniles in an important Neotropical characidLeonardo Luiz Calado, Uedson Pereira Jacobina, Mariana Machado Evangelista, Lucas Henrique Piva, Nivaldo Ferreira Nascimento, José Augusto Senhorini, George Shigueki Yasui … 121
Genomic analysis refl ects recent domestication of farmed red sea bream Pagrus majorEitaro Sawayama, He Huang, Yoshihiro Handa, Koichiro Nakano, Yuri Akase … 133
Multilocus sequence typing, antimicrobial susceptibility, and phage discovery of motile Aeromonas species from the pond-cultured goldfish Carassius auratus on two farms in JapanKazuki Fudeshima, Kazuki Kitaoka, Tomoyoshi Kaneko, Shuichi Yamamura, Yuki Yamasaki, Hiromasa Mizutani, Kazuhiko Miyanaga, Yasunori Tanji, Nobuhiro Mano, Satoshi Tsuneda … 147
Environment Effect of the macrobenthic organisms Theora lata (Mollusca), Thyasira tokunagai (Mollusca), and Maldanidae sp. (Annelida) on the germination and abundance of ellipsoidal Alexandrium cysts (Dinophyceae) in Ofunato BayShinnosuke Kaga, Mana Ito, Shiho Watanabe, Yumiko Tada, Takahiro Saido, Katsutoshi Ito … 157
Chemistry and Biochemistry Chlorophyta growth promotion by the plant symbiotic cyanobactericidal bacterium Pseudomonas sp. and its active substancesShuhe Chen, Ichiro Imai, Ryuichi Sakai, Masaki J. Fujita … 165
Food Science and Technology Biochemical characterization of abnormally softened sardine “soggy meat” during the spring spawning migrationMayu Ito, Ryouga Noda, Sigetaka Honda, Yukari Matsuoka, Ruki Igura, Himawari Ueda, Kana Kinoshita, Michiaki Yamashita, Masayuki Inoue … 175
Social Science The impact of aquatic animal disease information on consumer evaluation of the origin of juvenile shrimp for aquacultureNanae Karakawa, Yutaro Sakai, Tomoyoshi Yoshinaga … 181
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