鱼须

锦鲤有两对鱼须，第二对特小

亚洲龙鱼的鱼须又大又突出

鱼须（barbel）是鱼类及龟鳖目部分物种的嘴边的一种细长、猫须似的触感器官。有这种器官的鱼类包括有：鲇鱼、鲤鱼、须鲷科物种、盲鳗、鲟鱼、斑马鱼、大西洋奇棘鱼及诸如锯鲨之类的部分鲨鱼物种。鱼须内藏有这些鱼类的味蕾，使牠们得以在浑浊的水里觅得食物。 不同鱼类的鱼须位置不同，有些鱼位于上颚（包括鼻子、甚或从鼻孔伸出），有些位于下颚甚至下颔上。

参考文献

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