Pterygoplichthys scrophus

Pterygoplichthys scrophus^[1] is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Marañón River and the Ucayali River in Peru. The species reaches 27.5 cm (10.8 inches) in standard length and is known to be a facultative air-breather.^[2]

Pterygoplichthys scrophus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Siluriformes
Family:	Loricariidae
Genus:	Pterygoplichthys
Species:	P. scrophus
Binomial name
Pterygoplichthys scrophus (Cope, 1874)
Synonyms
Glyptoperichthys scrophus Liposarcus scrophus

Pterygoplichthys scrophus appears in the aquarium trade, where it may be known as the alligator pleco, the chocolate pleco, or the rhino pleco.^[3]