At the Chubu Branch Conference held at the Faculty of Science, Shizuoka University, on December 6–7, 2025, there were 22 oral presentations and 16 poster presentations in the graduate and undergraduate student category, and 8 oral presentations and 29 poster presentations in the high school and technical college student category. From these, the Excellent Presentation Awards were selected. Congratulations to all the winners.

Graduate and Undergraduate Student Category

Best Oral Presentation Award (2 awards)

• • O−18
    Elucidation of the regeneration mechanism from cut fragments of Cassiopea xamachana polyps
    Yosuke Daigo１, Toru Koike２
    1 Shizuoka University, Graduate School of Integrated Science and Technology, 2 Shizuoka University Academic Institute, Global Center for Asian and Regional Research
  • O−20
    Expression dynamics of vasotocin in the brain controlling reproductive behavior in male medaka (Oryzias latipes)
    Ayaka Wakazono 1, Nao Kagawa 2Yasunori Furuya3
    1 Gifu University / Faculty of Applied Biological Sciences, 2 Kindai University / Faculty of Science and Engineering, 3 Gifu University / Faculty of Education

Best Poster Presentation Award (1 recipient)

• • P-15
    Genes related to parthenogenesis explored through comparative analysis of expressed genes between bisexual and parthenogenetic strains of the geographically parthenogenetic insect, Ephemera ola
    Takahito Onobori¹Takefusa Masatake²Koji Toshiro³
    1 Shinshu Univ. Graduate School of Science, 2 Univ. of Tsukuba Life and Environmental Sciences, 3 Shinshu Univ. Graduate School of Science

Outstanding Oral Presentation Award (3 recipients)

• • O-12
    Early acquisition of ammonia detoxification capacity in embryos of the terrestrial-breeding amphibian Buergeria buergeri
    Satoshi Nakayama¹, Nakamachi Tomoya²Kohei Matsuda²Norifumi Konno²
    1 University of Toyama, Graduate School of Science and Engineering, Earth and Life Sciences; 2 University of Toyama, Academic Research Division, College of Science
  • O-16
    sex-determining gene in Dorcus rectusintersexfunction in ovarian development and egg resorption
    ○ Kanon Yamauchi¹Tomokazu Karehiko²Hiroki Goto²
    1Shizuoka University, Graduate School of Integrated Science and Technology, Science; 2Shizuoka University, Faculty of Science, Biological Science
  • O-19
    Comparison of osmoregulatory capacity among three-spined stickleback populations with different freshwater migration timings
    Kodai Abe^１, Tobio Kamibe^２, Yoshimi Suzuki^１,Seiichi Mori^３, Makoto Kusakabe^４
    1 Shizuoka University, Faculty of Science, Department of Biological Sciences, 2 National Institute of Genetics, 3 Gifu Kyoritsu University, 4 Shizuoka University, Faculty of Science, Department of Fundamental Science

Best Poster Presentation Award (1 award)

• • P-8
    Gene expression profile analysis in soldier-reproductives of the Nevada dampwood termite
    ○ Mizuha You¹, Katsuto Fujiwara², Kiyoto Maekawa³
    1 University of Toyama, Faculty of Science, Biology; 2 AIST, BPRC; 3 University of Toyama, Academic Assembly, Faculty of Science

High School and Technical College Students Category

Best Oral Presentation Award (1 recipient)

• • O-25
    Classification of the pond/marsh type of Candidatus Tridentiger brevispinis proposed within Shizuoka Prefecture
    Yamamura Teiko
    Shizuoka Institute of Science and Technology Shizuoka Kita High School

Best Poster Presentation Award (1 recipient)

• • P-25
    Decoding Chinese Bamboo Partridge Communication from Their Calls
    Mizutani Kashu, Niwa Yu
    Hamamatsu Gakugei Junior and Senior High School

Best Oral Presentation Award (1 recipient)

• • O-26
    Investigation into the impact of global warming on deep-sea organisms in Suruga Bay
    ○Yukimitsu Fujie, Yuki Yoshizawa, (Fac.) Takayoshi Otsu
    Numazu National College of Technology

Excellent Poster Presentation Award (4 papers)

• • P-23
    Coelacanth's environment-adapted evolution and the possibility of inhabiting Suruga Bay due to global warming
    Riona Mori¹, ○ Hinata Sumi², ○ Saki Nakano³, (Prof.) Takayoshi Otsu⁴
    1. Shimada Municipal Shimada Dai-ni Junior High School, 2. Nakatsugawa Municipal Sakamoto Elementary School, 3. Fuji Municipal Fuji Junior High School, 4. Numazu National College of Technology
  • P-26
    Survey of Fish Fauna in Noto Region Rivers Using Environmental DNA (3) - Expansion of the Survey to All of Ishikawa Prefecture through an Inter-School Network
    Maho Hoshiba, Hiroki Wada, Issei Taguchi, Kazuki Sakamoto, Tomoki Hoshiba, Kotaro Sekiken, Rikuto Nakamura, Yuto Komai, Gouki Taniguchi, Mai Hayashi, Yushin Hisada
    Nanao High School
  • P-28
    Evaluating biodiversity through dragonfly wings
    Naho Yamamoto, Kashiwa Mizutani, Kanade Omori, Haru Achiba, Taiga Maruo, Kieki Yamauchi, Tatsuki Kuroda
    Hamamatsu Gakugei Junior and Senior High School
  • P-31
    Proposal for a new three-dimensional exhibition method utilizing the behavioral characteristics of the giant isopod
    Ituki Nakajima, Yuma Taki, Yui Watanabe, Yuzuki Sato, Ayane Hirota, Ayaka Sano, Kazuma Sato, Mizuki Mano, (Faculty) Takayoshi Otsu
    Numazu National College of Technology