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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Peaks of Otter salamander ： ウィキペディア英語版 Peaks of Otter salamander The Peaks of Otter salamander (''Plethodon hubrichti'') is a species of salamander in the family Plethodontidae, endemic to the Peaks of Otter area in the Blue Ridge Mountains of Virginia.〔Hammerson, G. & Mitchell, J. 2004. (Plethodon hubrichti ). (2006 IUCN Red List of Threatened Species. ) Downloaded on 23 July 2007.〕 ==Description== The adult Peaks of Otter salamander is characterized by a dark-brown dorsum with heavy brassy flecking down the entire length of the salamander. The dorsum and sides of ''P. hubrichti'' may also be lightly speckled with white, while the venter is not spotted and ranges from light to charcoal grey in color. Males have small mental glands immediately behind the chin.〔Petranka, J. 1998. Salamanders of the United States and Canada. Smithsonian Institution Press, Washington D.C., 583 pp.〕 While the Peaks of Otter salamander is superficially similar to the Cheat Mountain salamander (''P. nettingi''), the two species are differentiated by a higher concentration of metallic flecking on the dorsum of ''P. hubrichti'', and the presence of a usual 19 costal grooves compared to the variable 17-19 costal grooves of ''P. nettingi''.〔 Although Petranka stated that hatchlings have a distinct dorsal stripe consisting of reddish spots, this was never seen in over 100 neonates observed, which have a uniform dark-grey dorsum. Brassy flecks begin to appear when salamanders reach about 25 mm snout-to-vent length (SVL).〔Kniowski, A., and N. Reichenbach. 2006. Plethodon hubrichti (Peaks of Otter salamander). Reproduction. Herpetological Review 37: 332.〕 In the early 1950s, the ''P. cinereus'' group of small ''Plethodon'' was made up of only three species: the southern ravine salamander (''P. richmondi''), the Cheat Mountain salamander (''P. nettingi''), and the eastern red-backed salamander (''P. cinereus'').〔 Numerous other members of the genus have since been described, including the Peaks of Otter salamander. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Peaks of Otter salamander」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.