Coelorinchus posteromaculatus (Actinopterygii, Gadiformes, Macrouridae), a new species of grenadier from the eastern Indian Ocean Naohide NakayamaArtem M. ProkofievToshio Kawai Full Paper 23 March 2020 Pages: 465 - 472
Thrissina belvedere, a new thryssa from Ha Long Bay, northern Vietnam and redescription of Thrissina chefuensis (Günther 1874) (Clupeiformes: Engraulidae) Harutaka HataNguyen Van QuanHiroyuki Motomura Full Paper 11 April 2020 Pages: 473 - 482
‘The Bold are the Sociable’: Personality traits and laterality in an indigenous megafish, the Deccan Mahseer (Tor khudree) Vishwanath VarmaHarsh VasoyaVilakkathala V. Binoy Full Paper 08 April 2020 Pages: 483 - 492
Does construction in the spawning ground improve the riverbed conditions making it suitable for spawning of the Ryukyu-ayu Plecoglossus altivelis ryukyuensis? Satoshi AwataTetsuya TsurutaKei’ichiro Iguchi Full Paper 15 April 2020 Pages: 493 - 501
Comparative otolith morphology and species identification of clupeids from Japan Shota MitsuiCarlos A. StrüssmannYoji Yamamoto Full Paper 11 April 2020 Pages: 502 - 513
Larvae and juveniles of two Brotula species (Ophidiiformes: Ophidiidae) collected from the Northwest Pacific Ocean Kaito MizumachiHiromitsu Endo Full Paper 06 May 2020 Pages: 514 - 524
Apogon soloriens, a new species of cardinalfish (Perciformes: Apogonidae) from the Bonin Islands, Japan Tomohiro YoshidaHiroyuki Motomura Full Paper 29 April 2020 Pages: 525 - 532
Nearly year-round reproduction among individuals of a Japanese freshwater threespine stickleback population Akihiko YamamotoSeiichi MoriTomoyuki Kokita Short Report 06 March 2020 Pages: 533 - 540
Insidiator Jordan and Snyder 1900, a valid genus of the family Platycephalidae (Scorpaeniformes) Hisashi ImamuraDouglass F. Hoese Short Report 10 April 2020 Pages: 541 - 544
Habitat characteristics and size structure in a population of an endangered lamprey, Lethenteron sp. N, in an urbanized area of Japan Yuna HiranoNoriko KideraJun Nishihiro Short Report 13 April 2020 Pages: 545 - 551
Group structure and putative mating system of three hermaphrodite gobiid fish, Priolepis akihitoi, Trimma emeryi, and Trimma hayashii (Actinopterygii: Gobiiformes) Kazuya FukudaTomoki Sunobe Short Report 27 April 2020 Pages: 552 - 558
Obituary: John Earnest Randall (1924–2020) Keiichi Matsuura News and Comments 25 July 2020 Pages: 559 - 562
Correction to: Obituary: John Ernest Randall (1924–2020) Keiichi Matsuura Correction 14 September 2020 Pages: 563 - 563
Papers published in Japanese Journal of Ichthyology Editorial Notes and Announcements 16 October 2020 Pages: 564 - 566
