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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 Japanese fire belly newt ： ウィキペディア英語版 Japanese fire belly newt The Japanese fire belly newt (''Cynops pyrrhogaster'') is a species of newt in the Salamandridae family endemic to Japan.〔(【引用サイトリンク】url = http://www.iucnredlist.org/details/59444/0 )〕 It is commonly confused with the Chinese fire belly newt (''Cynops orientalis'') due to similarities in coloring and size, and most newts sold as Japanese fire belly newts are likely to be the more commonly collected Chinese fire belly newt instead. ==Description== This newt is usually 9-14 cm (3.5-5.5 in) in length,〔(Caudata Culture Species Entry - Cynops pyrrhogaster - Japanese firebelly )〕 and can be distinguished from its Chinese relative by its larger size, rough and pebbly skin, and distinct parotoid glands. They are typically brown to black above, often with red specks or spots, and orange to crimson below, usually with a blotched, darker pattern.〔 Males can be distinguished from females by their swollen cloacae, and male newts of this species will often assume a blue iridescent sheen and smoother skin during the breeding season. In the wild, this species lives on the islands of Honshū, Shikoku, and Kyūshū, in clear, cool bodies of water, usually ponds, ditches, pools, or lakes.〔 Reportedly, six subspecies are found through the Japanese islands: Atsumi, Hiroshima, Kanto, Sasayama, and Touhoku,〔 each race originating from the region of Japan after which they are named. These newts are poisonous in the wild, but animals bred in captivity may lose their toxicity. The skin of the wild animals contains tetrodotoxin (TTX), which is one of the most effective nonpeptide toxins known to man. It is a neurotoxin with no known antidote, and can cause death by suffocation in as quickly as six hours after ingestion.〔Hofrichter, Robert, Ed. Amphibians: The World of Frogs, Toads, Salamanders and Newts. Firefly Books, 2000. Pages 112 - 113.〕 The toxin could be formed by environmental bacteria, so could be the reason why some newts in captivity have a lower toxicity than their wild counterparts.〔 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.