cleaner fish
noun
1- a small fish, especially a striped wrasse, that is permitted to remove parasites from the skin, gills, and mouth of larger fishes, to their mutual benefit清洁工鱼, 裂唇鱼。
1.1
- Genus Labroides, family Labridae: several species, in particular L. dimidiatus.裂唇鱼属, 隆头鱼科, 数种, 尤指裂唇鱼。