NOTICE: The ZooBank website has been experiencing extremely high demand recently.
We are working on a solution, but it may continue to be slower than normal.
We apologize for the inconvenience, and appreciate your patience!
 

Publications (39)      

1. Chernova, N., Yoshiaki Kai & Anna Zorina. 2025 Validation of Icelus crassus Andriashev (Cottiformes: Cottidae), described from the Sea of Okhotsk Zootaxa 5569(2): 282-298.
2. Fukuzawa, Hayato, Toshiaki Mori, Koji Matsuzaki & Yoshiaki Kai. 2022 Icelus hypselopterus, a new cottid from the southern Sea of Okhotsk Ichthyological Research: 1-10.
3. Han, Sang-Yun, Jin-Koo Kim, Yoshiaki Kai & Hiroshi Senou. 2017 Seahorses of the Hippocampus coronatus complex: taxonomic revision, and description of Hippocampus haema, a new species from Korea and Japan (Teleostei, Syngnathidae) ZooKeys 712: 113-139.
4. Han, Sang-Yun, Jin-Koo Kim, Yoshiaki Kai & Hiroshi Senou. 2018 Corrigenda: Han SY, Kim JK, Kai Y, Senou H (2017) Seahorses of the Hippocampus coronatus complex: taxonomic revision, and description of Hippocampus haema, a new species from Korea and Japan (Teleostei, Syngnathidae) ZooKeys 753: 169-170.
5. Kai, Yoshiaki & Fumihito Tashiro. 2019 Zenopsis filamentosa (Zeidae), a new mirror dory from the western Pacific Ocean, with redescription of Zenopsis nebulosa Ichthyological Research.
6. Kai, Yoshiaki & Koji Matsuzaki. 2019 Careproctus longidigitus, a new snailfish (Liparidae) from the southern Sea of Okhotsk Ichthyological Research.
7. Kai, Yoshiaki & Ronald Fricke. 2018 Taxonomic review of the deep water flathead genus Parabembras with description of the new species Parabembras multisquamata from the western Pacific Ocean (Teleostei, Parabembridae) ZooKeys 740: 59-76.
8. Kai, Yoshiaki & Tetsuji Nakabo. 2002 Morphological differences among three color morphotypes of Sebastes inermis (Scorpaenidae) Ichthyological Research 49(3): 260-266.
9. Kai, Yoshiaki & Tetsuji Nakabo. 2004 A new species of Sebastes (Scorpaeniformes: Scorpaenidae) from the Pacific coast of southern Japan Ichthyological Research 51(1): 5-9.
10. Kai, Yoshiaki & Tetsuji Nakabo. 2013 Taxonomic review of the Sebastes pachycephalus complex (Scorpaeniformes: Scorpaenidae) Zootaxa 3637(5): 541-560.
11. Kai, Yoshiaki, Akira Tohkairin, Kunihiro Fujiwara & Tomonori Hamatsu. 2018 Careproctus iacchus, a new variegated snailfish (Liparidae) from the Seas of Japan and Okhotsk Ichthyological Research.
12. Kai, Yoshiaki, Eisuke Morikawa & Ryo Misawa. 2024 Careproctus io (Teleostei: Liparidae), a new snailfish from the western North Pacific, with comments on generic limits Species Diversity 29(1): 111–117.
13. Kai, Yoshiaki, Hiromitsu Endo, Fumihito Tashiro & Naohide Nakayama. 2021 Two new species of snailfishes of the genus Careproctus (Cottoidei: Liparidae) from the western North Pacific Ocean with a range extension of Careproctus brevipectoralis Zootaxa 4951(2): 361–371.
14. Kai, Yoshiaki, K. Nakayama & Tetsuji Nakabo. 2002 Genetic differences among three colour morphotypes of the black rockfish, Sebastes inermis, inferred from mtDNA and AFLP analyses Molecular Ecology 11: 2591-2598.
15. Kai, Yoshiaki, K. Nakayama & Tetsuji Nakabo. 2003 Moledular phylogenetic perspective on speciation in the genus Sebastes (Scorpaenidae) from the northwest Pacific and the position of Sebastes within the subfamily Sebastinae Ichthyological Research 50(3): 239-244.
16. Kai, Yoshiaki, Kenta Murasaki, Ryo Misawa, Atsushi Fukui, Eisuke Morikawa & Yoji Narimatsu. 2020 A new species of snailfish of the genus Paraliparis (Liparidae) from the western North Pacific, with a redescription of the poorly known species Paraliparis mandibularis ZooKeys 968: 143-159.
17. Kai, Yoshiaki, Koji Matsuzaki, James W. Orr, Toshiaki Mori & Moeko Kamiunten. 2020 A new species of Elassodiscus (Cottoidei: Liparidae) from the North Pacific with an emended diagnosis of the genus Ichthyological Research: 1-12.
18. Kai, Yoshiaki, Koji Matsuzaki, Toshiaki Mori, D. L. Pitruk, Ryo Misawa & Fumihito Tashiro. 2024 Snailfishes of the genus Careproctus (Perciformes: Liparidae) with a reduced pelvic disk: three new species and new records from the western North Pacific with comments on their phenotypic diversity Zootaxa 5492(2): 191-213.
19. Kai, Yoshiaki, Mikhail V. Nazarkin, Hayato Fukuzawa, Yuta Yagi, Kay Sakuma, Kunihiro Fujiwara & Tomonori Hamatsu. 2023 Redescription of Icelus rastrinoides Taranetz in Schmidt, 1935, a senior synonym of Ricuzenius toyamensis Matsubara and Iwai, 1951, with notes on geographic variations (Teleostei: Cottidae) Species Diversity 28(1): 15–22.
20. Kai, Yoshiaki, Naoki Yagishita, Hiromi Ikeda & Tetsuji Nakabo. 2002 Genetic differences between two color morphotypes of redfish, Sebastes scythropus (Osteichthyes: Scorpaenidae) Species Diversity 7(4): 371–380.
21. Kai, Yoshiaki, Nozomu Muto & Tetsuji Nakabo. 2013 Sebastodes tanakae Snyder 1911, a junior synonym of Sebastes trivittatus Hilgendorf 1880 (Scorpaenoidei: Sebastidae) Ichthyological Research.
22. Lee, Mao-Ying, Thomas A. Munroe & Yoshiaki Kai. 2016 Description of a new cryptic species of tonguefish (Pleuronectiformes: Cynoglossidae: Symphurus) from shallow waters off Japan Ichthyological Research.
23. Lee, Soo J., Jin-Koo Kim, Yoshiaki Kai, Shin'Ichiro Ikeguchi & Tetsuji Nakabo. 2017 Taxonomic review of dwarf species of Eumicrotremus (Actinopterygii: Cottoidei: Cyclopteridae) with descriptions of two new species from the western North Pacific Zootaxa 4282(2): 337–349.
24. Matsuzaki, Koji, Toshiaki Mori, Moeko Kamiunten, Takashi Yanagimoto & Yoshiaki Kai. 2020 A new species of Careproctus (Cottoidei: Liparidae) from the Sea of Okhotsk and a redescription of the blacktip snailfish Careproctus zachirus Ichthyological Research.
25. Misawa, Ryo, Alexei M. Orlov, Svetlana Y. Orlova, Ilya Gordeev, Hajime Ishihara, Tomonori Hamatsu, Yuji Ueda, Kunihiro Fujiwara, Hiromitsu Endo & Yoshiaki Kai. 2020 Bathyraja (Arctoraja) sexoculata sp. nov., a new softnose skate (Rajiformes: Arhynchobatidae) from Simushir Island, Kuril Islands (western North Pacific), with special reference to geographic variations in Bathyraja (Arctoraja) smirnovi Zootaxa 4861(4): 515–543.
Misawa, Ryo, Yuma Takanashi, Yo Su, Chih-Wei Chang & Yoshiaki Kai. 2023 First Records of the Rare Giant Roughy Hoplostethus grandperrini (Teleostei: Trachichthyiformes) from Japan Species Diversity 28(2): 245-253.
Mori, Toshiaki, Koji Matsuzaki, Yoshiaki Kai & Fumihito Tashiro. 2024 Careproctus rhomboides, a new snailfish (Cottoidei: Liparidae) from the western North Pacific Ichthyological Research.
Murasaki, Kenta, Yoshiaki Kai, Hiromitsu Endo & Atsushi Fukui. 2021 Osteodiscus abyssicola, a new snailfish (Cottoidei: Liparidae) collected off the Pacific coast of northern Japan Zootaxa 5032(1): 136-142.
Murasaki, Kenta, Yoshiaki Kai, Hiromitsu Endo & Atsushi Fukui. 2022 A new snailfish of the genus Careproctus (Cottoidei: Liparidae) from the Pacific coast of southern Japan Ichthyological Research.
Murasaki, Kenta, Yoshiaki Kai, Ryo Misawa & Yoji Narimatsu. 2024 Paraliparis wakataka, a new species of liparid fish (Cottoidei: Liparidae) from the Pacific coast of northern Japan Ichthyological Research.
Muto, Nozomu, Tsutomu Noda, Yoshiaki Kai & Tetsuji Nakabo. 2012 First record of albinism in the rockfish Sebastes pachycephalus complex (Scorpaeniformes: Scorpaenidae) Ichthyological Research.
Muto, Nozomu, Yoshiaki Kai & Tetsuji Nakabo. 2018 Taxonomic review of the Sebastes vulpes complex (Scorpaenoidei: Sebastidae) Ichthyological Research.
Nakabo, Tetsuji, Akira Tohkairin, Nozomu Muto, Yasuaki Watanabe, Yasuaki Miura, Toshihiro Aoyagi, Nana Kaji, Kouji Nakayama & Yoshiaki Kai. 2014 Growth-related morphology of “Kunimasu” (Oncorhynchus kawamurae: family Salmonidae) from Lake Saiko, Yamanashi Prefecture, Japan Ichthyological Research.
Orr, James W., Ingrid Spies, Duane E. Stevenson, Gary C. Longo, Yoshiaki Kai, Sam Ghods & Myles Hollowed. 2019 Molecular phylogenetics of snailfishes (Cottoidei: Liparidae) based on MtDNA and RADseq genomic analyses, with comments on selected morphological characters Zootaxa 4642(1): 1–79.
Orr, James W., Yoshiaki Kai & Tetsuji Nakabo. 2015 Snailfishes of the Careproctus rastrinus complex (Liparidae): redescriptions of seven species in the North Pacific Ocean region, with the description of a new species from the Beaufort Sea Zootaxa 4018(3): 301–348.
Stevenson, Duane E., Catherine W. Mecklenburg & Yoshiaki Kai. 2017 Taxonomic clarification of the Eumicrotremus asperrimus species complex (Teleostei: Cyclopteridae) in the eastern North Pacific Zootaxa 4294(4): 419–435.
Tohkairin, Akira, Yoshiaki Kai, Yuji Ueda, Tomonori Hamatsu, Masaki Ito & Tetsuji Nakabo. 2014 Morphological divergence between two color morphotypes of Crystallichthys matsushimae (Cottoidei: Liparidae) Ichthyological Research.
Wada, Hidetoshi, Yoshiaki Kai & Hiroyuki Motomura. 2020 Redescription of the circumglobal deepwater scorpionfish Setarches guentheri (Setarchidae) Ichthyological Research: 1-33.
Wada, Hidetoshi, Yoshiaki Kai & Hiroyuki Motomura. 2021 Revision of the resurrected deepsea scorpionfish genus Lythrichthys Jordan and Starks 1904 (Setarchidae), with descriptions of two new species Ichthyological Research: 1-31.
13 more...