mosquitofish definition

  • noun:
    • some of a number of small seafood that prey on mosquitoes, but specifically those of genus Gambusia
    • A silvery topminnow (Gambusia affinis) with rows of black colored dots of tropical the united states and West Indies; essential in mosquito control.
    • silvery topminnow with rows of black colored spots of tropical united states and western Indies; essential in mosquito control

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