Johnny Darter
Etheostoma nigrum
- Least concern
- Card rarity: Common
- Fish

The johnny darter is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is native to shallow waters throughout North America east of the Rocky Mountains.
Classification
- Class
- Actinopterygii
- Order
- Perciformes
- Family
- Percidae
- Genus
- Etheostoma