n. Any of several tropical American fish, of the family ''(taxlink Loricariidae family noshow=1)'', popular in aquaria for their ability to clean tanks by eating algae growth.
Plecostomus, pleco, or plec refers to several species of freshwater loricariid catfish commonly sold as aquarium fish:
- Hypostomus plecostomus
- Hypostomus punctatus
- Pterygoplichthys multiradiatus
- Pterygoplichthys pardalis
Pleco may also refer to:
- Pleco Software, an English↔Chinese dictionary application for iOS and Android devices, which uses the traditional Chinese character for "fish" (魚, yú) in its icon.