Loricariichthys edentatus is a species of freshwater ray-finned fish belonging to the family Loricariidae, the suckermouth armored catfishes, and the subfamily Loricariinae, the mailed catfishes. This catfish occurs in the lower Uruguay River basin in Entre Ríos Province in Argentina, and also in Brazil. It has no teeth on the premaxilla, a unique feature in the genus Loricariichthys. This species reaches a maximum standard length of and is thought to be a facultative air breather.
References
Further reading Miquelarena, Amalia M., and Hugo L. López. "Considerations on the ichthyofauna of the Uruguay River Basin: Hemiancistrus fuliginosus Cardoso & Malabarba, 1999 (Loricariidae: Ancistrinae)." Journal of Applied Ichthyology20.3 (2004): 234–237. López, Hugo L., et al. "Biogeographical revision of Argentina (Andean and Neotropical Regions): an analysis using freshwater fishes." Journal of Biogeography 35.9 (2008): 1564–1579. Rodríguez, Mónica Sonia. Sistemática y distribución geográfica de peces de la familia Loricariidae (Ostariophysi: siluriformes) de la Argentina, con especial referencia a la tribu Loricariini. Diss. Facultad de Ciencias Naturales y Museo, 2003.