Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun 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.

from the GNU version of the Collaborative International Dictionary of English.

  • noun A silvery topminnow (Gambusia affinis) with rows of black spots of tropical North America and West Indies; important in mosquito control.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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

Etymologies

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Examples

  • You heard that right; the mosquitofish was merely a stand-in for the real thing.

    Young in Age Only Ralph Gardner Jr. 2011

  • You heard that right; the mosquitofish was merely a stand-in for the real thing.

    Young in Age Only Ralph Gardner Jr. 2011

  • But I'll tell you one thing: In the quest to buff one's brag sheet, a lot of great books are read, dances are choreographed and in the case of Maryama Diaw and Marjana Chowdhury—a 16-year-old junior and a 17-year-old senior at the Young Women's Leadership School in East Harlem—eastern mosquitofish are dissected.

    Young in Age Only Ralph Gardner Jr. 2011

  • But I'll tell you one thing: In the quest to buff one's brag sheet, a lot of great books are read, dances are choreographed and in the case of Maryama Diaw and Marjana Chowdhury—a 16-year-old junior and a 17-year-old senior at the Young Women's Leadership School in East Harlem—eastern mosquitofish are dissected.

    Young in Age Only Ralph Gardner Jr. 2011

  • Asian swamp eels have eaten all the sunfish in some Georgia ponds, leaving only mosquitofish.

    Aliens Invade America! 2008

  • Brought to China from the Philippines to eat mosquitoes, the mosquitofish has lately become a tyrant, spreading throughout the marshlands in southern China and driving several native aquatic species to the brink.

    Attack Of the Aliens 2007

  • The only way to kill the mosquitofish is by dousing the water with rotenone -- a poison so potent it also kills almost everything else that swims.

    Attack Of the Aliens 2007

  • This is documented for a host of species including salmon, cichlid fishes, squirrels, rats, guppies, mosquitofish, finches, and a host of plant species.

    Archive 2006-08-01 Christopher O'Brien 2006

  • This is documented for a host of species including salmon, cichlid fishes, squirrels, rats, guppies, mosquitofish, finches, and a host of plant species.

    Part III: Conclusion Christopher O'Brien 2006

  • Female mosquitofish prefer mates that had a steady nutritional upbringing over those that suffered ...

    The Full Feed from HuffingtonPost.com James Gerken 2012

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