Pterygoplichthys etentaculatus
- Etymology
- Pterygoplichthys: Grego, pterygion, diminutivo de pteryx = asa, nadadeira + Grego, hoplon = armadura + Grego, ichthys = peixe.
- Common name
- Cascudo.
Synonyms
- Hypostomus brevitentaculatus Ranzani 1841
- Kingdom Animalia
- Phylum Chordata
- Class Actinopteri
- Order Siluriformes
- Family Loricariidae
- Subfamily Hypostominae