Novel predator-induced phenotypic plasticity by hemoglobin and physiological changes in the brain of Xenopus tropicalis oleh Tsukasa Mori, Kazumasa Machida, Yuki Kudou, Masaya Kimishima, Kaito Sassa, Naoko Goto-Inoue, Ryuhei Minei, Atsushi Ogura, Yui Kobayashi, Kentaro Kamiya, Daiki Nakaya, Naoyuki Yamamoto, Akihiko Kashiwagi, Keiko Kashiwagi