1. Coelorinchus posteromaculatus (Actinopterygii, Gadiformes, Macrouridae), a new species of grenadier from the eastern Indian Ocean

   • Naohide Nakayama
   • Artem M. Prokofiev
   • Toshio Kawai

   Full Paper 23 March 2020 Pages: 465 - 472

   

2. Thrissina belvedere, a new thryssa from Ha Long Bay, northern Vietnam and redescription of Thrissina chefuensis (Günther 1874) (Clupeiformes: Engraulidae)

   • Harutaka Hata
   • Nguyen Van Quan
   • Hiroyuki Motomura

   Full Paper 11 April 2020 Pages: 473 - 482

   

3. ‘The Bold are the Sociable’: Personality traits and laterality in an indigenous megafish, the Deccan Mahseer (Tor khudree)

   • Vishwanath Varma
   • Harsh Vasoya
   • Vilakkathala V. Binoy

   Full Paper 08 April 2020 Pages: 483 - 492

   

4. Does construction in the spawning ground improve the riverbed conditions making it suitable for spawning of the Ryukyu-ayu Plecoglossus altivelis ryukyuensis?

   • Satoshi Awata
   • Tetsuya Tsuruta
   • Kei’ichiro Iguchi

   Full Paper 15 April 2020 Pages: 493 - 501

   

5. Comparative otolith morphology and species identification of clupeids from Japan

   • Shota Mitsui
   • Carlos A. Strüssmann
   • Yoji Yamamoto

   Full Paper 11 April 2020 Pages: 502 - 513

   

6. Larvae and juveniles of two Brotula species (Ophidiiformes: Ophidiidae) collected from the Northwest Pacific Ocean

   • Kaito Mizumachi
   • Hiromitsu Endo

   Full Paper 06 May 2020 Pages: 514 - 524

   

7. Apogon soloriens, a new species of cardinalfish (Perciformes: Apogonidae) from the Bonin Islands, Japan

   • Tomohiro Yoshida
   • Hiroyuki Motomura

   Full Paper 29 April 2020 Pages: 525 - 532

   

8. Nearly year-round reproduction among individuals of a Japanese freshwater threespine stickleback population

   • Akihiko Yamamoto
   • Seiichi Mori
   • Tomoyuki Kokita

   Short Report 06 March 2020 Pages: 533 - 540

   

9. Insidiator Jordan and Snyder 1900, a valid genus of the family Platycephalidae (Scorpaeniformes)

   • Hisashi Imamura
   • Douglass F. Hoese

   Short Report 10 April 2020 Pages: 541 - 544

10. Habitat characteristics and size structure in a population of an endangered lamprey, Lethenteron sp. N, in an urbanized area of Japan

    • Yuna Hirano
    • Noriko Kidera
    • Jun Nishihiro

    Short Report 13 April 2020 Pages: 545 - 551

    

11. Group structure and putative mating system of three hermaphrodite gobiid fish, Priolepis akihitoi, Trimma emeryi, and Trimma hayashii (Actinopterygii: Gobiiformes)

    • Kazuya Fukuda
    • Tomoki Sunobe

    Short Report 27 April 2020 Pages: 552 - 558

    

12. Obituary: John Earnest Randall (1924–2020)

    • Keiichi Matsuura

    News and Comments 25 July 2020 Pages: 559 - 562

    

13. Correction to: Obituary: John Ernest Randall (1924–2020)

    • Keiichi Matsuura

    Correction 14 September 2020 Pages: 563 - 563

14. Papers published in Japanese Journal of Ichthyology

    Editorial Notes and Announcements 16 October 2020 Pages: 564 - 566