Freshwater fish of Central America having a long swordlike tail, popular aquarium fish
English: swordtail, helleri, topminnow, Xyphophorus helleri
topminnowEnglish
topminnow, Xyphophorus helleri, helleri, live-bearer, poeciliid
Noun
Small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters, often used in mosquito control
English: topminnow, poeciliid fish, poeciliid, live-bearer