1. Mussel biology: from the byssus to ecology and physiology, including microplastic ingestion and deep-sea adaptations

   • Koji Inoue
   • Yuri Onitsuka
   • Tomoko Koito

   Review Article Open access 16 September 2021 Pages: 761 - 771

   

2. Correction to: Mussel biology: from the byssus to ecology and physiology, including microplastic ingestion and deep-sea adaptations

   • Koji Inoue
   • Yuri Onitsuka
   • Tomoko Koito

   Correction 28 October 2021 Pages: 773 - 773

3. Acute temperature changes induce an oxidative stress response in kidney cells of grass carp Ctenopharyngodon idellus

   • Pin Ma
   • Xiaoyan Yin
   • Rong Tang

   Original Article 09 September 2021 Pages: 775 - 784

   

4. Development of a polymerase chain reaction (PCR)-based genetic sex identification method in the chub mackerel Scomber japonicus and blue mackerel S. australasicus

   • Reoto Tani
   • Wataru Kawamura
   • Ryosuke Yazawa

   Original Article Open access 30 August 2021 Pages: 785 - 793

   

5. Seasonal occurrence of Japanese pygmy octopus Octopus parvus in the intertidal zone

   • Yuta Yamate
   • Takumi Ohya
   • Takeshi Takegaki

   Original Article 11 October 2021 Pages: 795 - 803

   

6. Genetic population structure of Japanese sardinella Sardinella zunasi around Japan

   • Naoki Yagishita
   • Mizuki Kumashiro
   • Hitomi Yamano

   Original Article 16 September 2021 Pages: 805 - 816

   

7. Effects of the swimming crab Charybdis japonica on sea urchin Mesocentrotus nudus grazing: cage experiments in barren ground and land-based tanks

   • Kousuke Yatsuya
   • Yukio Matsumoto

   Original Article 07 October 2021 Pages: 817 - 826

   

8. Temporal changes of the fish community in seagrass beds in Funakoshi and Otsuchi bays after habitat destruction caused by a tsunami in 2011

   • Jun Shoji
   • Kentaro Yoshikawa
   • Tomohiko Kawamura

   Original Article 25 October 2021 Pages: 827 - 836

   

9. The effect of high or low temperature on testicular activity in the cichlid fish Oreochromis mossambicus

   • Prashanth Konkal
   • C. B. Ganesh

   Original Article 16 October 2021 Pages: 837 - 844

   

10. Temporal changes in the nutrient status of Matsushima Bay after a wastewater plant was destroyed by a tsunami on 11 March 2011

    • Yutaka Okumura
    • Yoshio Masuda
    • Motoyuki Hara

    Original Article 20 September 2021 Pages: 845 - 859

    

11. Update on the source of phenoloxidase activity in the hemolymph of kuruma prawn Marsupenaeus japonicus

    • Taro Masuda

    Original Article Open access 16 October 2021 Pages: 861 - 869

    

12. Molecular cloning of myosin chaperone uncoordinate-45B (UNC-45B) and its heat stress response in the muscle of Pacific bluefin tuna Thunnus orientalis

    • Yi-Li Gao
    • Asami Yoshida
    • Kiyoshi Osatomi

    Original Article 18 October 2021 Pages: 871 - 881

    

13. Effect of live storage in diluted seawater on the postmortem changes of extractive flesh components of red seabream Pagrus major

    • Osamu Kawaguchi
    • Naomi Nakayama
    • Shota Tanimoto

    Original Article 17 September 2021 Pages: 883 - 892

    

14. Possibility of geographical traceability of Lucensosergia lucens shrimp based on element content measured through inductively coupled plasma mass spectrometry

    • Takehiko Yokoyama
    • Masaharu Tokuda
    • Tsuyoshi Yamazaki

    Original Article 20 September 2021 Pages: 893 - 903

    

15. Influence of ice storage period before freezing on quality of frozen chub mackerel Scomber japonicus fillets and considerations regarding high-quality frozen sashimi products

    • Keisuke Moriya
    • Akiko Miyazaki
    • Koji Ebitani

    Original Article 28 September 2021 Pages: 905 - 913

    

16. The effect of farm size on economic efficiency: a case study of Vietnamese pangasius farms

    • Huynh Huu Tho
    • Nguyen Le Hoa Tuyet
    • Naoki Tojo

    Original Article 27 September 2021 Pages: 915 - 926