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Noun: zooplankton  ,zow-u'plangk-tun [N. Amer], ,zoo(-u)'plangk-tun [Brit]
  1. Animal constituent of plankton; mainly small crustaceans and fish larvae
    "Many fish species rely on zooplankton as a primary food source"

Derived forms: zooplanktons

Type of: animal, animate being

Part of: plankton

Encyclopedia: Zooplankton