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How to look after
Xiphophorus helleri
Swordtail
(Heckel, 1848)

Xiphophorus helleri - Swordtail - Swordtails come in different varieties - pictured is a male lyretail swordtail
Swordtails come in different varieties - pictured is a male lyretail swordtail
more images here

(Other members of the genus Xiphophorus)

ADULT SIZE: 11 cm

WATER CONDITIONS: Moderately hard and alkaline

TEMPERATURE RANGE: 22-28 C

FOOD: Feed Xiphophorus helleri live and dried foods. Not a fussy eater at all.

DISTRIBUTION: This species comes from Guatemala, Mexico

1 Live Swordtail (Assorted Type, Xiphophorus) - Livebearer Fish

Current price: $2.50
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Time left: 2d 23h 53m
Long Hi-Fin Swordtail | Xiphophorus helleri Other Live Fish Avai

Current price: $10.00
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Time left: 28d 23h 6m

AQUARIUM CARE: One of the most popular aquarium fishes, and a great candidate for the beginners aquarium. The wild type swordtail, or green swordtail is very common, but it also comes in many other colour forms and shapes: typically with varying degrees of red, white, yellow and black.

This is a very tough species that can adapt to most water conditions, though preferring slightly harder water. Sexing is easy as the males have a 'sword' on their caudal fin; females are slightly larger and overall more rounded.

This is a great community species, although males can get somewhat aggressive at times, so provide ample hiding places for subdominant males females and fry.

BREEDING: A very easy livebearer that gives birth to large fry. Females can be seperated (breeding trap) when heavily pregnant to avoid unwanted male attention, and to avoid predation of the newly born fry. Even when bred in a well-stocked community tank, some fry will survive. Swordtails will interbreed with platies (Xiphophorus maculatus) if kept in the same aquarium.

Have you bred Xiphophorus helleri? Why not fill in a breeding questionaire?, or examine existing Xiphophorus helleri breeding reports








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Fishkeeping Facts and Tips

Well planted aquariums are not only great looking, they are also very beneficial to the fish. They oxygenate the water, absorb nitrates, reduce algae and provide refuge for fry (and other timid species). Plants like Java fern, hornwort, Amazon sword, Vallisneria (eel grass), Cryptocoryne and Anubias can all do well in a typical home aquarium with the smallest amount of attention


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