Yuji Nishiike has been affiliated with the Department of Aquatic Bioscience in the Graduate School of Agricultural and Life Sciences at The University of Tokyo. He earned a B.S. from The University of Tokyo in March 2019. As a graduate student, he conducted research under the supervision of Professor Kataaki Okubo, focusing on topics in fish endocrinology and behavior using medaka as a model organism.
His research contributions include co-authorship on publications examining neuropeptide B mediation of female sexual receptivity in medaka, estrogen receptor 2b as a determinant of sex-typical mating behavior and sexual preference in medaka, the role of brain-derived estrogens in facilitating male-typical behaviors, the decision of male medaka to mate or fight depending on complementary androgen signaling pathways, and the identification of FSH-RH as a gonadotropin-releasing hormone. He has also received a JSPS Postdoctoral Fellowship for research at the Max Planck Florida Institute for Neuroscience, where he serves as a Postdoctoral Fellow.