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Pseudostegophilus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Siluriformes
Family:	Trichomycteridae
Subfamily:	Stegophilinae
Genus:	Pseudostegophilus Eigenmann & Eigenmann, 1889
Type species
Stegophilus nemurus Günther, 1869

Pseudostegophilus is a genus of pencil catfishes native to rivers in tropical South America. The members of this genus are obligate parasites that feed on scales and mucus of other fish.

Species

There are currently two recognized species in this genus:

• Pseudostegophilus haemomyzon (Myers, 1942)
• Pseudostegophilus nemurus (Günther, 1869)

P. haemomyzon originates from the Orinoco River basin in Venezuela while P. nemurus is found in the Amazon basin in Brazil and Peru. P. haemomyzon grows to about 5.7 centimetres (2.2 in) SL. P. nemurus grows to about 15.0 cm (5.9 in) TL. P. nemurus is said to become attached to the gills, anal region, and fins of dead, dying, or disabled fishes.

References

1. Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Pseudostegophilus". FishBase. February 2012 version.
2. Ferraris, Carl J. Jr. (2007). "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types" (PDF). Zootaxa. 1418: 1–628. doi:10.11646/zootaxa.1418.1.1.
3. Froese, Rainer; Pauly, Daniel (eds.). "Pseudostegophilus haemomyzon". FishBase. July 2007 version.
4. ^ Froese, Rainer; Pauly, Daniel (eds.). "Pseudostegophilus nemurus". FishBase. July 2007 version.

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• Trichomycteridae
• Catfish of South America
• Fish of the Amazon basin
• Freshwater fish genera
• Catfish genera
• Taxa named by Carl H. Eigenmann
• Taxa named by Rosa Smith Eigenmann
• Trichomycteridae stubs