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Feeding Habits of the Japanese Rice Frog, Fejervarya kawamurai, as an Invasive Species
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Abstract
Abstract:
Fejervarya kawamurai (Dicroglossidae) is an invasive species occurring in several populations in the Kanto region, including Fujisawa City, Kanagawa Prefecture, Japan. To estimate the ecological impacts of this frog, we investigated the food habits of invasive populations. We collected 119 individuals of F. kawamurai. Of these, 108 (90.8%) had stomach contents that included various small animals. Therefore, this invasive frog might influence the ecosystem via predation pressure on small native animals.
Accepted 16 7月 2019
Acknowledgments:
We would like to thank Prof. Abe at Nihon University and Mr. Ichiishi at Kokubunji high school for giving us the opportunity to conduct the present study. The authors are grateful to Mr. Fukada, Mr. Arai, and Ms. Katsube for helping with field work and/or laboratory work.
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