Plecostomus, pleco, or plec is the common name of several species of freshwater loricariid catfish commonly sold as aquarium fish.

Pterygoplichthys multiradiatus

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.

See also

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