Pygidianops eigenmanni

Myers 1944





Negro River, Brazil


Only a Holotype has been assigned: CAS 11120. 2.3cm SL (De Pinna and Wosiacki 2003).


Negro River basin, Brazil.




There are fours species in the genus: Pygidium eigenmanni, P. cuao, P. magoi and P. amphioxus (Eschmeyer, Van der Laan and Fricke 2021).

Conservation Status


Key References

Myers, G. S. Journal Article 1944 Two extraordinary new blind nematognath fishes from the Rio Negro, representing a new subfamily of Pygidiidae, with a rearrangement of the genera of the family
Trajano, E. and Sanchez, L.E. Book Section 1994 Bresil
Reis, R.E., Kullander, S.O. and Ferraris, C.J. Book 2003 Checklist of the freshwater fishes of South and Central America
Baskin, J.N., de Pinna, M.C.C., Provenzano, F. and Schaefer, S.A. Journal Article 2004 Anatomical features of Neotropical glanapterygine catfishes from the interstitial sand environment of the Amazon-Orinoco system
Schaefer, S.A., Provenzano, F., de Pinna, M.C.C. and Baskin, J.N. Journal Article 2005 New and noteworthy Venezuelen glanapterygine catfishes (Siluriformes: Trichomycteridae), with a discusssion of their biogeography and psammophily
Adriaens, D., Baskin, J.N. and Coppens, H. Book Section 2010 Evolutionary morphology of trichomycterid catfishes: about hanging on and digging in
de Pinna, M.C.C. and Kirovsky, A.L. Journal Article 2011 A new species od sand-dwelling catfish, with a phylogenetic diagnosis of Pygidianops Myers (Siluriformes: Trichomycteridae: Glanapteryginae)
Albert, J.S. and Reis, R.E. Book 2011 Historical biogeography of Neotropical freshwater fishes
Carvalho, M.R., Zuanon, J. and Ferreira, E.J.G. Journal Article 2014 Diving in the sand: The natural history of Pygidianops amphioxus (Siluriformes: Trichomycteridae), a minature catfish of Central Amazonian streams in Brazil
Fernandez, L. Book Section 2018 Family Trichomycteridae - Pencil catfishes, Torrent catfishes, and Parasitic catfishes (candirus)
Fernandez, L., Arroyave, J. and Schaefer, S.A. Journal Article 2021 Emerging patterns in phylogenetic studies of trichomycterid catfishes (Teleostei, Siluriformes) and the contribution of Andean diversity