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Dietary Habits of the Introduced Cane Toad Bufo marinus (Amphibia: Bufonidae) on Ishigakijima, Southern Ryukyus, Japan.

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Title: Dietary Habits of the Introduced Cane Toad Bufo marinus (Amphibia: Bufonidae) on Ishigakijima, Southern Ryukyus, Japan.
Authors: Kidera, Noriko
Tandavanitj, Nontivich
Oh, Daehyun
Nakanishi, Nozomi
Satoh, Aya
show 3 moreDenda,Tetsuo
Izawa, Masako
Ota, Hidetoshi

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LC Subject Headings: Natural history--Periodicals.
Science--Periodicals
Natural history--Pacific Area--Periodicals.
Issue Date: Jul 2008
Publisher: Honolulu, University of Hawaii Press
Citation: Kidera N, Tandavanitj N, Oh D, Nakanishi N, Satoh A, DendaT, Izawa M, Ota H. Dietary Habits of the Introduced Cane Toad Bufo marinus (Amphibia: Bufonidae) on Ishigakijima, Southern Ryukyus, Japan. Pac Sci 62(3): 423-430.
Series/Report no.: vol. 62, no. 3
Abstract: We examined dietary habits of the introduced cane toad Bufo marinus at three sites representing different types of habitats (pond, forest, and rice paddy) on Ishigakijima Island, southern Ryukyus, Japan. Stomach contents analysis revealed that the toad mostly utilizes terrestrial arthropods, of which hymenopterans (mostly ants), adult coleopterans, hemipterans, and araneans dominated in the frequency of occurrence, hymenopterans in the numerical proportion, and larval lepidopterans, adult coleopterans, and larval dipterans in the volumetric proportion. Comparisons in taxonomic composition of the toad’s stomach contents and pitfall and sweeping net samples suggested ignorance or avoidance of Amphipoda by the toad. Our results suggest the possibility of considerable predation pressure of B. marinus upon the native arthropods, and ants in particular, on Ishigakijima Island.
Description: v. ill. 23 cm.
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Pages/Duration: 8 p.
URI/DOI: http://hdl.handle.net/10125/22718
ISSN: 0030-8870
Appears in Collections:Pacific Science, Volume 62, Number 3, 2008



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