topminnow

Noun (2)

1. small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito controlSynonyms: poeciliid fishpoeciliidlive-bearerType of cypriniform fishKinds mosquitofish, platy, mollieMember of Poeciliidae, family Poeciliidae
2. freshwater fish of Central America having a long swordlike tail; popular aquarium fishSynonyms: swordtailhelleriXyphophorus helleriType of cyprinodontMember of Xyphophorus, genus Xyphophorus