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Growth, Metamorphosis, and Gape-limited Cannibalism and Predation on Tadpoles in Larvae of Salamanders Hynobius retardatus

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Title: Growth, Metamorphosis, and Gape-limited Cannibalism and Predation on Tadpoles in Larvae of Salamanders Hynobius retardatus
Authors: Ohdachi, Satoshi Browse this author →KAKEN DB
Issue Date: 15-Feb-1994
Publisher: Zoological Society of Japan
Journal Title: Zoological Science
Volume: 11
Issue: 1
Start Page: 127
End Page: 131
Abstract: Growth, metamorphosis, and gape-limited cannibalism and predation on tadpoles (Rana pirica) in larvae of salamanders (Hynobius retardatus) were investigated in laboratory. Larval period and the size at metamorphosis were correlated positively to one another in the salamanders. When embryos were exposed to low temperature, larval period were prolonged and the size at metamorphosis increased in the salamanders while larval period were extended and the size at metamorphosis decreased in the frogs. Salamander larvae reared in group had shorter larval period and smaller size at metamorphosis than those reared individually. Small salamander larvae were more vulnerable to cannibalism and mutilation than large ones. Tadpoles incurred high probability of predation and mutilation by salamander larvae even when the head widths of tadpoles attained the maximum sizes.
Type: article
URI: http://hdl.handle.net/2115/44644
Appears in Collections:低温科学研究所 (Institute of Low Temperature Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 大舘 智志

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