/ Thesaurus / G Synonyms of gambusia affinis Find synonyms for: Noun1. mosquitofish, Gambusia affinis, topminnow, poeciliid fish, poeciliid, live-bearerusage: silvery topminnow with rows of black spots of tropical North America and West Indies; important in mosquito controlWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language