Scientific Name: Xiphophorus helleri
Family: Poeciliidae
Origin: Mexico, Guatemala, Honduras
Adult Size: 2 inches (5 cm)
Social: Peaceful, suitable for community tank
Lifespan: 4 years
Tank Level: Top, Mid dweller
Minimum Tank Size: 10 gallon
Diet: Omnivore, eats most foods
Breeding: Livebearer
Care: Easy to intermediate
pH: 7.0 - 8.2
Hardness: 15-30 dGH
Temperature: 64-77 F (18-25 C)

Description: Wagtail swords first appeared in the 1940's, as the result of a cross between a gold platy and a wild Xiphophorus maculatus. The distinctive mark of wagtails are the black rays in all fins coupled with very little coloration between the rays. Also notable is the presence of black on the upper and lower lip. Marigold Wag swordtails display an intense color contrast, having coal black fins and a red-gold body.

Habitat/Care: In their native habitat this species lives in very clear, oxygen rich, alkaline waters. Strong filtration is advised to maintain high oxygen levels. Water should be moderately hard, in the range of 15-30 dGH. Optimum temperature for wagtail swords is lower than for many tropical fish. That should be taken into account when considering them for community aquariums. 74 degrees F (23 C) is the ideal temperature for swords, with lower temps being more readily tolerated than elevated temps. Beyond the water requirements, wagtails are und ...

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