Plecostomus, pleco, or plec is the common name of several species of freshwater loricariid catfish commonly sold as aquarium fish.
These include:
It is also used as part of the common names of various similar species of loricariids.The superficially similar loach Beaufortia kweichowensis is also sometimes known as the "butterfly plec", despite not being closely related to the Loracariidae.
| scope=col | Language of Origin | scope=col | Common Name |
|---|---|---|---|
| South American Spanish | cucha mariposa | ||
| South American Spanish | cascudos | ||
| South American Spanish | acaris | ||
| North American English | Cat Fish | ||
| North American English | Sucker Fish | ||
| North American English | Sucker Mouth | ||
| Archaic North American English | Caught Fish | ||
| North American English | Plec | ||
| North American English | Pleco |