small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control
[ Syn: topminnow , poeciliid fish , poeciliid ]
small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control
[ Syn: topminnow , poeciliid fish , poeciliid ]