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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 Stegastes nigricans ： ウィキペディア英語版 Stegastes nigricans ''Stegastes nigricans'', the dusky farmerfish, is a species of damselfish found around coral reefs at a depth of one to 12 meters. ''S. nigricans'' practices a form of agriculture with a species of red algae. The fish will claim a patch of "brown carpet algae" which it defends by chasing away other fish and sea urchins. The fish also pulls up other bits of algae that attempt to grow in the patch and swims outside of its territory to spit the invading algae out. When the fish claiming a patch is removed, the patch is eaten up within a few days. When a patch of the brown carpet algae is caged to keep both ''S. nigricans'' and other fish out of the patch, other species of algae quickly overwhelm the patch. This seems to indicate the brown carpet algae are dependent on ''S. nigricans'' for its survival. ==References == * (Stegastes nigricans ) on FishBase 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「Stegastes nigricans」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.