water flea

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water flea

n.
1. Any of various small chiefly freshwater branchiopod crustaceans of the order Cladocera, having a bivalve carapace and typically swimming with jerking flealike motions, and including the daphnias. Also called cladoceran.
2. Any of various other small aquatic crustaceans, such as some copepods, that swim with a similar motion.

water flea

n
(Animals) any of numerous minute freshwater branchiopod crustaceans of the order Cladocera, which swim by means of hairy branched antennae. See also daphnia

wa′ter flea`


n.
any tiny freshwater branchiopod crustacean of the order Cladocera, as the daphnia.
[1575–85]

water flea

Any of various small aquatic crustaceans, mostly of microscopic size, having especially long antennae that are used for swimming. Water fleas are an important source of food for many fish.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.water flea - minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimmingwater flea - 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
copepod, copepod crustacean - minute marine or freshwater crustaceans usually having six pairs of limbs on the thorax; some abundant in plankton and others parasitic on fish
genus Cyclops - copepod water fleas
2.water flea - minute freshwater crustacean having a round body enclosed in a transparent shellwater flea - minute freshwater crustacean having a round body enclosed in a transparent shell; moves about like a flea by means of hairy branched antennae
branchiopod, branchiopod crustacean, branchiopodan - aquatic crustaceans typically having a carapace and many pairs of leaflike appendages used for swimming as well as respiration and feeding
genus Daphnia - water fleas
Translations
References in periodicals archive ?
Adult females eventually emerge from painful blisters at the extremities to lay eggs in stagnant water, where offspring will infect water fleas and begin the cycle anew.
o Wipe out Guinea worm, which is transmitted through dirty water containing water fleas
The water fleas, or Daphnia, have been taken from a pond at the University of Birmingham and experts helped with the more technical aspects of the challenge.
The contract includes a compilation, preparation and supply of breakfast / snack and lunch (in Cook & Freeze-method) to the daycare Else Khne and water fleas the community Fredersdorf-Vogelsdorf and breakfast / Vespers at the Kita Sunshine (lot 1) or compilation, preparation and delivery of fresh lunch at the daycare of sunshine (lot 2).
Female water fleas typically release a brood of offspring each time they molt (shed their exoskeleton).
Specific instances of the latter are the prolific breeding of copepods and water fleas as insurance for the few, armour against attack epitomised in the larger Crustacea, and the use of specialised refuges.
Once they arrive at the ISS, astronauts will carry out regular observations of the water fleas, recording their behaviour each day by noting down movement patterns and taking photographs.
One cigarette butt in two liters of seawater will kill water fleas, a species used to test the toxicity of chemicals to aquatic invertebrates.
Rootless and adrift in its wetland habitat, the humped bladderwort (Utricularia gibba) preys on water fleas and other small invertebrates.
Cladocerans, known as water fleas, are small crustaceans inhabiting lakes and ponds as zooplankton.
Summary: TEHRAN (FNA)- Plentiful food can accelerate the spread of infections, Edinburgh scientists have shown in a study of water fleas.
A team of scientists from Edinburgh University found that well-fed water fleas were more contagious than those given less to eat.