Phreatobius cisternarum
| Phreatobius cisternarum | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Phreatobiidae |
| Genus: | Phreatobius |
| Species: | P. cisternarum |
| Binomial name | |
| Phreatobius cisternarum Goeldi, 1905 | |
Phreatobius cisternarum is a species of catfish in the genus Phreatobius. This Brazilian fish is one of the few fish species that live underground in phreatic habitats. It has proved problematic in its classification.