Specific Behavioral Responses of Hyla japonica Tadpoles to Chemical Cues Released by Two Predator Species
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概要
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We experimentally examined the anti-predator behaviors of tadpoles of the Japanese tree frog, Hyla japonica, to chemical cues released by a cyprinid fish, Gnathopogon elongatus elongatus, and a dragonfly nymph, Anax parthenope julius. Tadpoles exposed to these chemical cues exhibited a similar reduction in activity level. In the presence of the fish chemical cues, however, the tadpoles spent more time in the bottom water layer compared to controls, but did not change their microhabitat choice in the presence of dragonfly nymph chemical cues. These findings suggest that tadpoles of H. japonica have predator-specific behaviors in response to chemical cues from different predators with differential foraging strategies.
著者
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Yamaoka Ryohei
Graduate School Of Science And Technology Kyoto Institute Of Technology
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MARUYAMA Atsushi
Department of Environmental Solution Technology, Ryukoku University
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KOHMATSU Yukihiro
Research Institute for Humanity and Nature
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Maruyama Atsushi
Center For Ecological Research Kyoto University
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Maruyama A
Department Of Environmental Solution Technology Ryukoku University
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TAKAHARA Teruhiko
Graduate School of Science and Technology, Kyoto Institute of Technology
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Maruyama Atsushi
Department Of Biomolecular Engineering Tokyo Institute Of Technology
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Maruyama Atsushi
Department Of Anesthesia Kasukabe-chuo General Hospital
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