尼氏镖鲈为辐鳍鱼纲鲈形目鲈亚目河鲈科的其中一种，被IUCN列为次级保育类动物，分布于美国密苏里州中南部的Osage河流域，体长可达13公分，栖息在岩石底质的水塘、溪流。

• Froese, Rainer & Daniel Pauly, eds. (2012). Etheostoma nianguae in FishBase. 2012年6月版本

The Niangua darter (Etheostoma nianguae) is a species of darter endemic to the eastern United States. It is found only in the Niangua River system of central Missouri. It is a federally listed threatened species of the United States.