小鼻绿鹦嘴鱼，又名钝头鹦哥鱼，俗名鹦哥，为辐鳍鱼纲鲈形目隆头鱼亚目鹦哥鱼科的其中一种。

本鱼分布于太平洋区，包括**、琉球群岛、中国南海、菲律宾、印尼、新几内亚、澳洲、罗得豪岛、拉帕岛、密克罗尼西亚、所罗门群岛、马绍尔群岛、帕劳、马里亚纳群岛、夏威夷群岛等海域。

Chlorurus microrhinos, the blunt-head parrotfish, is a member of the family Labridae. This species can be found in many different habitats, including inshore reefs and ocean reef fronts. It usually grows to be about 80 cm (31.49 in) long. This species swims in schools of about 40 fish.