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Noun: water flea  wo-tu(r) flee
  1. Minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimming; important in some food chains and as intermediate hosts of parasitic worms that affect man e.g. Guinea worms
    - cyclops
  2. Minute freshwater crustacean having a round body enclosed in a transparent shell; moves about like a flea by means of hairy branched antennae
    - daphnia

Derived forms: water fleas

Type of: branchiopod, branchiopod crustacean, branchiopodan, copepod, copepod crustacean

Part of: genus Cyclops, genus Daphnia

Encyclopedia: Water flea