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Dietary Habits of the Introduced Cane Toad Bufo marinus (Amphibia: Bufonidae) on Ishigakijima, Southern Ryukyus, Japan.
|Title:||Dietary Habits of the Introduced Cane Toad Bufo marinus (Amphibia: Bufonidae) on Ishigakijima, Southern Ryukyus, Japan.|
show 3 moreDenda,Tetsuo
|LC Subject Headings:||Natural history--Periodicals.|
Natural history--Pacific Area--Periodicals.
|Date Issued:||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:||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.|
|Appears in Collections:||
Pacific Science, Volume 62, Number 3, 2008|
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