晶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，分布于美国密西西比河及珍珠河流域，体长可达16公分，栖息在水质清澈、流动快速的沙石底质溪流。

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

The crystal darter (Crystallaria asprella) is a small North American fish found in small, moderate, and swift rivers in the drainage basins of the Mississippi and Ohio Rivers. It is now extirpated from a majority of its range along the Ohio River.