Noun: zooplankton ,zow-u'plangk-tun [N. Amer], ,zoo(-u)'plangk-tun [Brit]
- 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