乔氏鳉，俗称美国旗鱼，为辐鳍鱼纲鲤齿目鲤齿鳉科的其中一种。

本鱼分布于美国佛罗里达州的溪流、水塘及湖泊中。

The flagfish or American flagfish (Jordanella floridae) is a pupfish native to Florida. It received its name because the male fish resembles the American flag, with a large black/blue dot and alternating red and black/blue stripes on its body. It is a common, native fish in Florida that is occasionally found in fish stores. They make quick work of hair algae and they may also eat plants in a planted aquarium.