n.freshwater fish of Central America having a long swordlike tail; popular aquarium fish
同义词：helleritopminnowXyphophorus helleri
Swordtail
Hybrid origin of a swordtail species (Teleostei: Xiphophorus clemenciae) driven by sexual selection.
Female preference predates the evolution of the sword in swordtail fish.
A Genetic Polymorphism in the Swordtail Xiphophorus nigrensis: Testing the Prediction of Equal Fitnesses
Eavesdropping on visual cues in green swordtail (Xiphophorus helleri) fights: a case for networking
Animal Model for Ultraviolet Radiation-Induced Melanoma: Platyfish-Swordtail Hybrid
Female preference for male sword length in the green swordtail, Xiphophorus helleri (Pisces: Poeciliidae)
Genetic Basis for Alternative Reproductive Tactics in the Pygmy Swordtail, Xiphophorus nigrensis
Effects of nonylphenol, bisphenol A, and their mixture on the viviparous swordtail fish (Xiphophorus helleri)
Avoiding a compromise between sexual selection and species recognition: female swordtail fish assess multiple species-specific cues
