A freshwater fish of the family Cobitidae (illustration). In the United States and Canada it is called the Oriental weatherfish, and in the UK it is called the loach (which includes other species of the family Cobitidae). It is widely distributed throughout most of Japan, Taiwan, the Korean peninsula, and the eastern part of the Asian continent. It lives in the muddy bottoms of shallow ponds, swamps, rice fields, and waterways in the plains. It often burrows into the bottom, and some species hibernate by burrowing into slightly damp muddy bottoms, especially in winter. It also has the habit of breathing air through its intestines, and can easily tolerate oxygen deficiency. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
コイ目ドジョウ科の淡水魚(イラスト)。アメリカ,カナダではOriental weatherfish,イギリスではloach(ドジョウ科の他種を含む)という。日本のほぼ全土,台湾,朝鮮半島およびアジア大陸の東部一帯に広く分布。平野部の浅い池,沼,水田,水路などの泥底にすむ。よく底に潜り,とくに冬季にはわずかに湿気のある泥底に潜って越年するものもある。また腸で空気呼吸をする習性があってよく酸素欠乏にも耐える。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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