乌尾鮗科为辐鳍鱼纲鲈形目的其中一个科。类缘关系和笛鲷科相近，亦曾被列入笛鲷科中。

本科鱼类广泛分布于印度西太平洋海域之热带及副热带珊瑚礁及岩礁海域。

The fusiliers are a family, Caesionidae, of fishes in the order Perciformes. The family includes about 23 species. They are related to the snappers, but adapted for feeding on plankton, rather than on larger prey. They are found at reefs in the Indo-Pacific.