* Insects: They commonly eat aquatic insect larvae, such as mayflies, caddisflies, and midges.
* Algae and detritus: Algae and decaying organic matter (detritus) are also important components of their diet.
* Small invertebrates: They may also consume small crustaceans, worms, and other invertebrates.
* Plant Material: Seeds and plant fragments
The specific diet of a beautiful shiner can vary depending on the availability of food sources in its habitat.