swordtail

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swordtail

an aquarium fish, Xiphophorus spp., a member of the suborder Cyprinodontei.
References in periodicals archive ?
Other livebearers common in the aquarium hobby are the swordtails and platies of the genus Xiphophorus, including some 17 species from Central America.
Crapon de Caprona and Ryan found that female swordtails spent more time on the side of the test tank filled with water that had been inhabited by a male swordtail than on the side filled with uncontaminated water, indicating that the female recognized and preferred olfactory cues given off by the male.
Such standard ornamentals as guppies and swordtails, both native to Central America, can now be found in tropical ponds and streams all over the world, especially near cities.
Cummings and her colleagues discovered that male Xiphophorus nigrensis swordtails sport sexy, UV-reflecting stripes.