Affiliation: | a Sesoko Station, Tropical Biosphere Research Center, University of the Ryukyus, 3422 Sesoko, Motobu, Okinawa 905-0227, Japan b Laboratory of Reproductive Biology, National Institute for Basic Biology, Okazaki 444-8585, Japan c CREST, JST (Japan Science Technology Corporation), Saitama 332-0012, Japan d Inland Station, National Institute of Aquaculture, Tamaki, Mie 519-0423, Japan |