bio.wikisort.org - Animal

Pseudancistrus nigrescens[1] is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the upper Potaro River basin in Guyana. The species reaches 18.2 cm (7.2 inches) in total length.[2]

Pseudancistrus nigrescens
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Siluriformes
Family:	Loricariidae
Genus:	Pseudancistrus
Species:	P. nigrescens
Binomial name
Pseudancistrus nigrescens Eigenmann, 1912

P. nigrescens sometimes appears in the aquarium trade, where it is typically referred to either as the headspotted stream pleco or by its associated L-number, which is L-299.[3]

References

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