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来自维基百科,自由的百科全书
瑶山鲤(学名:Aphyocypris arcus)为輻鰭魚綱鯉形目鯝科細鯽属的鱼类,是中国的特有物种。分布于广西瑶山等,本魚體延長且側扁,腹部圓,腹鰭後有腹棱,口小且端位,無觸鬚,眼大,側線完全,前半部向下彎曲,側線鱗36-39枚,尾鰭深分叉,下咽齒3行,背鰭及臀鰭軟條7枚,背部及體上半部暗灰色,下半部及腹部銀白色,沿側線有一條不明顯的黑色縱紋,體長可達8公分,主要栖息于山溪中底層水域,生活習性不明。[1]
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