| Sardinilla cuatro cienegas | |
|---|---|
| Conservation status | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cyprinodontiformes |
| Family: | Cyprinodontidae |
| Genus: | Lucania (genus) |
| Species: | L. interioris |
| Binomial name | |
| Lucania interioris Hubbs & Miller, 1965 |
|
The sardinilla cuatro cienegas or Cuatrocienegas killifish, (Lucania interioris) is a species of fish in the Cyprinodontidae family. It is endemic to Mexico.