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Nooksack dace : ウィキペディア英語版 | Nooksack dace The Nooksack dace is a small cyprinid fish occurring in streams in southern British Columbia and western Washington state. It has not yet been formally described taxonomically. It is considered a genetically distinct subspecies of longnose dace (''Rhinichthys cataractae''), but may be a distinct species. Its distribution in Canada is limited to four locations: three in the Nooksack basin, and one in the Fraser basin. This narrow distribution in habitats undergoing degradation due to urbanization, agriculture and other cases has led to the fish being declared endangered under Canada's Species at Risk Act. However, the Nooksack dace is much more widely distributed in Washington, occurring in eastern Puget Sound drainages from the Nooksack south to the Puyallup, and in Pacific coastal drainages from the Quillayute south to the Willapa. ==References==
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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「Nooksack dace」の詳細全文を読む
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