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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 Aldabrachelys gigantea hololissa ： ウィキペディア英語版 Aldabrachelys gigantea hololissa The Seychelles giant tortoise (''Aldabrachelys gigantea hololissa'') is a tortoise subspecies in the genus ''Aldabrachelys''. It inhabited the granitic Seychelles islands until around 1840, when it was presumed to be extinct, along with the Arnold's giant tortoise, a species which shared the same islands. As a grazing species, it somewhat resembled the Aldabra giant tortoise with its domed shape. Though generally assumed to be the only Aldabran species to have survived over-exploitation, it is occasionally, most recently in 1995, suggested that some Seychelles granitic island tortoises survive in captivity. The report of oddly shaped captive tortoises prompted the Nature Protection Trust of Seychelles to examine the identity of the living tortoises. Examination of museum specimens of the 'extinct' Seychelles species by Dr. Justin Gerlach and Laura Canning confirmed that some living tortoises do show characteristics of the supposedly extinct species.〔(【引用サイトリンク】url=http://islandbiodiversity.com/tortoise.htm )〕 Some recently published scientific papers on the genetics of the Seychelles and Indian Ocean tortoises provide conflicting results. Some studies suggest only one species was ever present in the islands, whilst others suggest three distinct, but closely related species. These different views derive from studies of different genes. ==Description== The three Aldabra-Seychelles giant tortoise species can be distinguished based on carapace shape, however, many captive animals may have distorted carapaces and so may be difficult to identify. In general the Aldabra tortoise is a regularly domed, black colored species. The Seychelles giant tortoise is broad, flattened on the back and with a raised scute, it is usually a brownish-grey color.〔(【引用サイトリンク】url=http://islandbiodiversity.com/tortid.htm )〕 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「Aldabrachelys gigantea hololissa」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.