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pugnose shiner
The Pugnose shiner (''Notropis anogenus'') is a species of ray-finned fish in the genus ''Notropis''. It is in the family Cyprinidae which consists of freshwater carps and minnows. Cyprinidae is the largest fish family which consists of about 369 genera and 3,018 species.〔(【引用サイトリンク】url=http://www.fishbase.org/summary/FamilySummary.php?ID=122 )〕 Its distribution has been decreasing due to the removal of aquatic plants in order to create swimming beaches and boating access in freshwater lakes and is now mostly found in Minnesota, Wisconsin, and Michigan.
==Distribution==
The pugnose shiner is a non-abundant species of ''Notropis'' and within the United States, it is distributed across parts of Minnesota, Wisconsin, and Michigan. It is native to North America and its historic range was from eastern Ontario and Western New York to North Dakota, Illionios, Indiana, and Ohio, ending in the St. Lawrence River drainage.〔 The population that was once in North Dakota is now thought to be extirpated due to turbity and uprooted vegetation within the freshwater lakes and streams. This minnow can also be found in a few areas of Canada but those ranges have also decreased throughout time so now the Canadian population mostly lies within Ontario.〔(【引用サイトリンク】url=http://www.iucnredlist.org/details/summary/184076/0 )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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