琉球大学 熱帯生物圏研究センター

Tropical Biosphere Research Center University of the Ryukyus

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Bayu Kreshna

Bayu Kreshna Adhitya Sumarto

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Master Student of Faculty of Science University of the Ryukyus, Okinawa, Japan.

My research topic is about evolutionary ecology of freshwater fishes in family Adrianichthyidae.

Now, I am doing research to compare sexual selection pressure of Oryzias sp. (Japanese name medaka) in latitudinal variation, through mating behavior experiment inter-intraspecific population comparison and Operational Sex ratio (OSR) analysis.