Phreatobius cisternarum

(Phreatobius cisternarum)

Description

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, which remains uncertain.

Taxonomic tree:

Domain:

Kingdom: Animalia

Phylum:

Class: Actinopterygii

Order:Siluriformes

Family:Heptapteridae

Genus:Phreatobius

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