kil·li·fish (k l -fsh )n. pl. killifish or kil·li·fish·es Any of numerous small fishes of the family Cyprinodontidae, including the guppy and mosquito fish, inhabiting chiefly fresh and brackish waters in warm regions. |
killifish [ˈkɪlɪˌfɪʃ]
n pl -fish, -fishes
(Life Sciences & Allied Applications / Animals) any of various chiefly American minnow-like cyprinodont fishes of the genus Fundulus and related genera, of fresh and brackish waters: used as aquarium fishes, to control mosquitoes, and as anglers' bait
[see kill2, fish]
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  killifish - small mostly marine warm-water carp-like schooling fishes; used as bait or aquarium fishes or in mosquito controlcyprinodont - any member of the family Cyprinodontidae Fundulus heteroclitus, mummichog - silver-and-black killifish of saltwater marshes along the Atlantic coast of the United States Fundulus majalis, may fish, mayfish, striped killifish - black-barred fish of bays and coastal marshes of the Atlantic and Gulf Coast of the United States rivulus - found in small streams of tropical America; often kept in aquariums; usually hermaphroditic American flagfish, flagfish, Jordanella floridae - a fish with a dark-blue back and whitish sides with red stripes; found in swamps and streams of Florida |
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