Definition of "mosquitofish" []

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

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• "You heard that right; the mosquitofish was merely a stand-in for the real thing."
• "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."
• "Asian swamp eels have eaten all the sunfish in some Georgia ponds, leaving only mosquitofish."