mosquitofish mosquito fern • mosquito-free · · · Info · Definitions · Synonyms · Characters · · mosquitofish · · Text Latin · · Script 12 · · Length 5 · · Syllables Definitions · · · (noun) silvery topminnow with rows of black spots of tropical North America and West Indies; important in mosquito control. Synonyms: Gambusia affinis. · · Noun Definition 1 Synonyms · · · gambusia affinis · · Synonym 1 Characters · · f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F q latin small letter q U+0071 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075