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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, ) in its icon.