黑尾汤鲤（学名：Kuhlia xenura）为辐鳍鱼纲鲈形目鲈亚目汤鲤科的其中一种，分布于中东太平洋夏威夷群岛海域、半咸水域，深度1-22米，本鱼体椭圆而侧扁，眼大，下颔突出，体色银色，尾鳍暗褐色至黑色，背鳍硬棘10枚；背鳍软条11-12枚；臀鳍硬棘3枚；臀鳍软条10-11枚，体长可达18.1公分，栖息在回水区、潮池或河口区底中层水域，生活习性不明。[1]
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