Jun Yasumoto¹, Masashi Nozaki², Ko Yasumoto³, Mina Hirose Yasumoto⁴, Ryuichi Shinjo⁵, Akira Iguchi⁶, Mariko Iijima^6,7 and Shinji Nakaya⁸, (1)University of the Ryukyus, Faculty of Agriculture, Okinawa, Japan, (2)Incorporated Foundation Okinawa Prefecture Environment Science Center, Urasoe, Okinawa, Japan, (3)Kitasato University, School of Marine Biosciences, Aomori, Japan, (4)Tropical Technology Plus, Uruma, Okinawa, Japan, (5)Univ Ryukyus, Nishihara, Okinawa, Japan, (6)National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan, (7)Kitasato University, School of Marine Biosciences, Sagamihara, Japan, (8)Shinshu University, Nagano, Japan