Pterygoplichthys
| Pterygoplichthys | |
|---|---|
| Pterygoplichthys multiradiatus | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Loricariidae |
| Subfamily: | Hypostominae |
| Tribe: | Pterygoplichthyini |
| Genus: | Pterygoplichthys T. N. Gill, 1858 |
| Type species | |
| Hypostomus duodecimalis Spix & Agassiz, 1829 | |
Pterygoplichthys, sometimes collectively known as janitor fish, is a genus of South American armored catfishes. These fish are commonly known as sailfin armoured catfish or sailfin plecs, especially in the aquarium trade.