1. Spatial–temporal analysis of the effects of hydropower plants over the artisanal fishing in the middle Madeira region, Southwest Amazon

   • Igor H. Lourenço
   • Carolina R. C. Doria
   • Marcelo R. Anjos

   Original Article 11 November 2023 Pages: 1 - 14

   

2. Practical target strength of free-swimming chub mackerel Scomber japonicus

   • Yanhui Zhu
   • Keizo Ito
   • Kazushi Miyashita

   Original Article 01 December 2023 Pages: 15 - 27

   

3. Differences in spawning migration timing and mortality between males and females of the pelagic goby Gymnogobius isaza in Lake Biwa, central Japan

   • Tsuyoshi Takenaka
   • Daisuke Ishizaki
   • Takeshi Kikko

   Original Article 24 October 2023 Pages: 29 - 39

   

4. mRNA expression profiles of proteolytic genes during the process of ovulation in ovarian follicles of sturgeons

   • Ryohei Surugaya
   • Yuya Hasegawa
   • Shigeho Ijiri

   Original Article 01 November 2023 Pages: 41 - 51

   

5. Development of a repetitive DNA marker for identification of the exotic large-scale loach introduced to Japan

   • Masamichi Kuroda
   • Noriko Azuma
   • Katsutoshi Arai

   Original Article 02 November 2023 Pages: 53 - 64

   

6. Dynamics of serum IgM level during the growth of juvenile Japanese amberjack Seriola quinqueradiata

   • Yuta Matsuura
   • Yoshiko Shimahara
   • Tomomasa Matsuyama

   Original Article 30 November 2023 Pages: 65 - 74

   

7. Effects of Penaeus japonicus stocking density on water quality and bacterial community structure in water in an integrated multi-trophic aquaculture (IMTA) system

   • Shuo Kong
   • Zhao Chen
   • Jian Li

   Original Article 01 December 2023 Pages: 75 - 91

   

8. Environmental DNA-based quantification of Edwardsiella bacteria and fish-derived materials in rearing water of infected ayu Plecoglossus altivelis and red sea bream Pagrus major

   • Hisato Takeuchi
   • Hidemasa Kawakami
   • Sonoko Shimizu

   Original Article 30 October 2023 Pages: 93 - 103

   

9. Effect of short-term oral supplementation with marine-derived n-3 polyunsaturated fatty acids on gene expression of synaptosome-associated protein 25 in the olfactory organ and brain of juvenile chum salmon Oncorhynchus keta

   • Asumi Urushiyama
   • Mitsuru Torao
   • Hideaki Kudo

   Original Article 29 November 2023 Pages: 105 - 114

   

10. Synbiotic administration in Japanese eels with prebiotic 1-kestose and probiotic Lactiplantibacillus plantarum FM8 improved feed efficiency and significantly reduced the levels of Edwardsiella

    • Tadashi Fujii
    • Masayuki Yoshikawa
    • Takumi Tochio

    Original Article 07 December 2023 Pages: 115 - 122