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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 Russian sturgeon ： ウィキペディア英語版 Russian sturgeon The Russian sturgeon (''Acipenser gueldenstaedtii''), also known as the diamond sturgeon or Danube sturgeon, is a species of fish in the Acipenseridae family. It is found in Azerbaijan, Bulgaria, Georgia, Iran, Kazakhstan, Romania, Russia, Turkey, Turkmenistan, and Ukraine. It is also found in the Caspian Sea. 〔Muhammad Aurang Zeb Mughal (2013) "Caspian Sea." Robert Warren Howarth (ed.), ''Biomes & Ecosystems'', vol. 2. Ipswich, MA: Salem Press, pp. 431-433.〕 This fish can grow up to about and weigh . Russian sturgeon mature and reproduce slowly, making them highly vulnerable to fishing. It is distinguished from other ''Acipenser'' species by its short snout with a rounded tip as well as its lower lip which is interrupted at its center. ==Description== The Russian sturgeon can grow to but a more normal size is . It has a relatively short and rounded snout with three pairs of unfringed barbels closer to the tip of the snout that to the mouth. The dorsal fin has 27 to 48 soft rays and the anal fin has 16 to 35. The number of scales along the lateral line varies from 21 to 50. This fish can be distinguish from the otherwise similar starry sturgeon by the shape of its snout, its barbels and scale arrangement. The upper surface is greyish-green, the lateral scales are pale and the belly white.〔(【引用サイトリンク】title=Russian sturgeon: ''Acipenser gueldenstaedti'' (Brandt) )〕 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「Russian sturgeon」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.