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
cefuroxime: a cephalosporin that can be given parenterally (trade name Zinacef) or orally by tablets (trade name Ceftin); indicated for infections of the lungs or throat or ears or urinary tract or meninges