water flea

noun

Any of various aquatic crustacea of the order Diplostraca, characterised by their jumping or jerky mode of swimming.

Meanings

nounwater flea (plural water fleas)

plural water fleas

  1. Any of various aquatic crustacea of the order Diplostraca, characterised by their jumping or jerky mode of swimming.

Synonyms & antonyms

nounminute 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

Similar
Broader
copepodcopepod crustacean

nounminute freshwater crustacean having a round body enclosed in a transparent shell; moves about like a flea by means of hairy branched antennae

Similar
Broader
branchiopod crustaceanbranchiopodbranchiopodan

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Dutch watervlo
  • watervlocrustacean of the order Cladocera
Finnish vesikirppu
  • vesikirppucrustacean of the order Cladocera
French daphnie
  • daphniecrustacean of the order Cladocera
German Wasserfloh
  • Wasserflohcrustacean of the order Cladocera
Greek νερόψυλλος, δάφνια
  • νερόψυλλος (nerópsyllos)crustacean of the order Cladocera
  • δάφνια (dáfnia)crustacean of the order Cladocera
Italian dafnia
  • dafniacrustacean of the order Cladocera
Polish wioślarka
  • wioślarkacrustacean of the order Cladocera
Spanish pulga de agua
  • pulga de aguacrustacean of the order Cladocera
Turkish su piresi
  • su piresicrustacean of the order Cladocera
Cite this entry
APA

water flea. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/water%20flea

MLA

“water flea.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/water%20flea. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “water flea,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/water%20flea.

Source: water flea on Wiktionary, CC BY-SA 4.0.