Research theme for competitive and other funds (17)：
2024 - 2027 メダカの配偶行動における雌雄の化学コミュニケーション
2021 - 2024 Identification of female-attractive substance secreted from male kidney in nest-spawning teleosts
2022 - 2023 三重県におけるイシガイ目二枚貝類7種の生物地理構造の解明
2017 - 2020 Function and origin of kidney-secreted substance in male teleost showing nest-breeding
2016 - 2019 Evolutionary and ecological studies on sperm and reproductive modes in marine sculpins
2014 - 2017 Clarification and conservation of the characteristic of the local population through the spawning season variation between the Japanese fluvial sculpin population
2013 - 2016 Parapatric evolution and adaptive divergence of Insular fishes along the Oyashio current
2010 - 2012 Establishment of the impact assessment method for elevated water temperature related to warming on benthic cold-water fish with poor swimming ability
2010 - 2012 Studies on temporal water area producing diversity of freshwaterfish: environmental property and function for fish reproduction.
2007 - 2009 Quantitative estimation of sperm competition in the evolution of thereproductive styles in cottoid fishes as a model of copulatory animals
2005 - 2008 Evolutionary and ecological studies on the circum-north Pacific elements, the super-family cottoid
2005 - 2006 揖斐川下流域におけるヨシ群落の魚類による利用調査
2005 - 2006 絶滅が危惧される魚類の繁殖に必要な環境特性の解明
2002 - 公益信託成茂動物科学振興基金
2000 - 2002 STUDIES ON DIPLOID MALES IN ANTS
2000 - 2001 Distribution and accumulation of estrogen-like substances in rivers and seas.
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Papers (125)：
Gen Ito, Naoto Koyama, Ryota Noguchi, Ryoichi Tabata, Seigo Kawase, Jyun-ichi Kitamura, Yasunori Koya. Phylogeography and genetic population structure of the endangered bitterling Acheilognathus tabira tabira Jordan & Thompson, 1914 (Cyprinidae) in western Honshu, Japan, inferred from mitochondrial DNA sequences. Nature Conservation. 2024. 56. 19-36
Yasunori Koya, Ryotaro Morishita, Gen Ito. Process of gametogenesis in golden venus chub, Hemigrammocypris neglecta (Cyprinidae), with special regard to the comparison in initiation pattern of gametogenesis with other cyprinids. Ichthyological Research. 2024. 71. 3. 410-421
Yuki Kondo, Masanori Kohda, Yasunori Koya, Satoshi Awata. Sperm allocation in relation to male-male aggression and courtship in an externally fertilizing fish, the medaka. ANIMAL BEHAVIOUR. 2023. 202. 9-19
Takeshi Ito, Masaya Morita, Seiya Okuno, Kazuo Inaba, Kogiku Shiba, Hiroyuki Munehara, Yasunori Koya, Mitsuo Homma, Satoshi Awata. Fertilization modes and the evolution of sperm characteristics in marine fishes: Paired comparisons of externally and internally fertilizing species. Ecology and Evolution. 2022. 12. 12
Hiroyuki Munehara, Kouji Togashi, Sayuri Yamada, Takushi Higashimura, Aya Yamazaki, Shota Suzuki, Takuzo Abe, Satoshi Awata, Yasunori Koya, Osamu Tsuruoka. Rhamphocottus nagaakii (Cottoidea: Rhamphocottidae), a new species of grunt sculpin from the northwestern Pacific, with notes on the phylogeography of the genus Rhamphocottus. ICHTHYOLOGICAL RESEARCH. 2022
伊藤玄, 北村淳一, 野口亮太, 長太伸章, 古屋康則. Record and genetic characteristics of domestic alien bitterling, Acleilognathus tabira subspp., from the Northern region in Mie Prefecture, Japan. 日本魚類学会年会講演要旨. 2020. 54th (CD-ROM)
2013/10 - 日本魚類学会 論文賞 Comparative studies of testicular structure and sperm morphology among copulatory and non-copulatory sculpins (Cottidae: Scorpaeniformes: Teleostei)
