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Swordtail
(redirected from swordtails)

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Swordtail 

(Xiphophorus helleri), a fish of the family Poeciliidae of the order Cyprinodontidae. It is found in the fresh waters of Mexico and Guatemala. Males are up to 8 cm long, and females 12 cm. The lower part of the male’s caudal fin has the distinctive form of a sword. Swordtails are grayish olive, with a longitudinal red stripe and several shorter reddish bands parallel to it. The females, which are not as brightly colored as the males, are live-bearers. The swordtail is a popular aquarium fish. It hybridizes with the closely related platy (X. maculatus) to form black, red, lemon, mottled red, and other varieties.

REFERENCE

Il’in, M. N. Akvariumnoe rybovodstvo, 2nd ed. Moscow, 1968.
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Livebearers such as Guppies, Mollies, Platys, Swordtails and Halfbeaks are community fish and do not harm other fish.
What Kind of Fish Can I Put in My Fresh Water Aquarium by Richard Gilliland / Home based business community
If you don''t have a lot of time I would get very easy care level tropical fish which are as followed; Swordtails, Danio, Platy, Betta, Guppies, Tetras, Goldfish.
Keeping Tropical Fish in An Apartment by James Dorans / Pets and Animals community
Although this trait is not seen in normal female swordtail fish, many previous studies have reported female swordtails being transformed into phenotypic male fish by the administration of male sex hormones.
Biological Sciences paper abstracts by Journal of the Alabama Academy of Science
 
 
 
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