topminnow
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(noun) small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control |
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Synonyms: live-bearer, poeciliid, poeciliid fish |
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Related Words: Gambusia affinis, Platypoecilus maculatus, cypriniform fish, mollie, molly, mosquitofish, platy |
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| 2. |
(noun) freshwater fish of Central America having a long swordlike tail; popular aquarium fish |
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Synonyms: Xyphophorus helleri, helleri, swordtail |
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Related Words: cyprinodont |
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