Noun: swordtail 'sord,teyl
- Freshwater fish of Central America having a long swordlike tail; popular aquarium fish
"Male swordtails use their elongated tails to attract females";
- helleri, topminnow, Xyphophorus helleri
Derived forms: swordtails
Type of: cyprinodont
Part of: genus Xyphophorus, Xyphophorus
Encyclopedia: Swordtail