黑尾宅泥鱼，又称黑尾圆雀鲷，俗名为厚壳仔、四间雀，为辐鳍鱼纲鲈形目隆头鱼亚目雀鲷科的其中一种。

本鱼分布于西太平洋，包括日本、**、中国、越南、印尼、澳洲、菲律宾、帕劳、马里亚纳群岛、马绍尔群岛、密克罗尼西亚、所罗门群岛、瓦努阿图、东加等海域。

Dascyllus melanurus, known commonly as the four stripe damselfish, blacktail dascyllus, humbug damselfish, blacktail damselfish, and blacktail humbug, is a species of fish in the family Pomacentridae. It is native to the western Pacific Ocean. It is sometimes kept as an aquarium pet.