mosquitofish

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noun

Any of several small fish that feed on mosquitoes, but especially those of the genus Gambusia.

Similar
Gambusia affinis
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Meanings

nounmosquitofish (plural mosquitofishes or mosquitofish)

plural mosquitofishes · alternative mosquito fish

  1. Any of several small fish that feed on mosquitoes, but especially those of the genus Gambusia.

Synonyms & antonyms

nounsilvery topminnow with rows of black spots of tropical North America and West Indies; important in mosquito control

Similar
Gambusia affinis
Broader
topminnowpoeciliid fishpoeciliid

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From mosquito + fish.

Full word history & related roots →
Cite this entry
APA

mosquitofish. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mosquitofish

MLA

“mosquitofish.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mosquitofish. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “mosquitofish,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mosquitofish.

Source: mosquitofish on Wiktionary, CC BY-SA 4.0.