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 ?
Caption: Northland Fishing Tackle Impulse Water Flea
But a handful of others-sea lamprey, alewife, round goby, quagga mussel, zebra mussel, Eurasian watermilfoil, spiny water flea, and rusty crayfish-have conducted an all-out assault on the Great Lakes and are winning the battle.
Daphnia, also known as the water flea, is used widely as a model in ecotoxicology studies.
A Fruit fly B Spider mite C Water flea D Bloodworm All puzzles in this supplement are supplied by Sirius Media Services.
The spiny water flea, a predatory, invasive crustacean less than a half-inch long, thrives in deep, cold and clean water.
After sequencing the entire genomes of 11 sexual and asexual genotypes of Daphnia pulex, a model organism for the study of reproduction that is more commonly known as the water flea, the team discovered that every asexual genotype shared common combinations of alleles for two different chromosomes transmitted by asexual males without recombination.
The water flea Daphnia magna (Crustacea, Cladocera) as a test species for screening and evaluation of chemicals with endocrine disrupting effects on crustaceans.
Scientists at the University studied the impact of food quantity on the spread of a bacteria parasite that grows in the water flea gut, releasing infectious spores when the water flea dies.
While he agrees that the fishery is in decline, he points to the invasion of the spiny water flea in the lake.
Guinea worm, or Dracunculus medenisis, enters a person's body when the person drinks water that is contaminated with a water flea that hosts the larvae.