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or mosquito fish (mə-skē′tō-fĭsh′)
n. pl. mosquitofish or mos·qui·to·fish·es or mosquito fish or mosquito fish·es
Any of various fishes that feed on the larvae of mosquitoes, especially a small gambusia (Gambusia affinis) native to Mexico and the eastern United States but widely introduced elsewhere for use in controlling mosquitoes.


(məˈski toʊˌfɪʃ)

n., pl. (esp. collectively) -fish, (esp. for kinds or species) -fish•es.
any of several fishes used for mosquito control, esp. Gambusia affinis, native to the southeast U.S.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mosquitofish - silvery topminnow with rows of black spots of tropical North America and West Indiesmosquitofish - silvery topminnow with rows of black spots of tropical North America and West Indies; important in mosquito control
live-bearer, poeciliid, poeciliid fish, topminnow - small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control
Gambusia, genus Gambusia - mosquitofish
References in periodicals archive ?
'We call for the release of additional mosquito fishes to cease.
In the presence of competitors, the fat-head minnows Pimephales promelas Rafinesque (Cypriniformes: Cyprinidae) or predators, the small mouth bass Micropterus dolomieu Lacep (Perciformes: Centrarchidae), the mosquito fishes Gambusia spp foraged more efficiently indicating their invasive nature (11).
Evidences in cases of some dytiscid beetles (5), and odonate nymphs (7,8), and mosquito fishes (9-11) have shown that alternative prey forms affects the predation of target prey.