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1. Any of various small fishes of the family Fundulidae of North America, Bermuda, and Cuba, found in fresh, brackish, and coastal marine waters.
2. Any of several similar fishes of the family Poeciliidae.
[So called because the fish swim near the surface of the water.]
n, pl -now or -nows
(Animals) any of various small American freshwater cyprinodont fishes that are either viviparous (genera Heterandria, Gambusia, etc) or egg-laying (genus Fundulus)
[from top1 + minnow; so called because they are small and swim near the surface of the water]
n., pl. (esp. collectively) -now, (esp. for kinds or species) -nows.
any of various small carplike fishes that swim near the surface of fresh or brackish waters in warm climates, as certain killifishes and livebearers: eaters of mosquito larvae.
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|Noun||1.||topminnow - small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control|
cypriniform fish - a soft-finned fish of the order Cypriniformes
Gambusia affinis, mosquitofish - silvery topminnow with rows of black spots of tropical North America and West Indies; important in mosquito control
|2.||topminnow - freshwater fish of Central America having a long swordlike tail; popular aquarium fish|
cyprinodont - any member of the family Cyprinodontidae