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Ctenocheirodon pristis : ウィキペディア英語版 | Ctenocheirodon pristis
''Ctenocheirodon pristis'' is a species of characin native to South America that can grow up to 3.4 cm long (only 3.3 for males). It is the only known member of its genus.〔Malabarba, L.R. & Jerep, F.C. (2012): A New Genus and Species of Cheirodontine Fish from South America (Teleostei: Characidae). ''Copeia, 2012 (2): 243-250.''〕 Its specific name comes from the Greek word pristis, which means saw.〔 This refers to the projected fins on the underside of the fish.〔 == Habitat == ''C. pristis'' is a freshwater fish and it lives in the drainage basin of the Rio Tocantins in South America.〔 It lives in areas of slow-moving water over river bottoms with little vegetation.〔 As a result of the location, ''C. pristis'' lives exclusively in tropical areas.〔
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「Ctenocheirodon pristis」の詳細全文を読む
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