Scientific Name: Xiphophorus hellerii
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How easy are they to care for?
A very easy specimen to care for and widely found throughout the aquarium trade.
How large can they grow?
Where in the world are they from?
Distribution ranges across Mexico, Southern Belize, Guatemala and Honduras.
What is the ideal number to keep together?
They will happily live in large groups, as with other livebearers it is best kept with a 2-3 females to every male.
What water conditions do they require?
Ideally slightly alkaline water conditions are provided between 7.0pH - 8.0pH. Temperatures should range between 24-26¬∞C.
What should you feed them?
Swordtails should be fed a variety of flake, frozen, freeze dried and live foods for a varied diet. Being omnivores they will happily accept a wide range of foods, although for best results green foods should be offered in abundance.
How compatible are they with other fish?
A generally peaceful fish, however it should be kept mostly with fish that can tolerate its more alkaline requirements.
Can they be bred in captivity?
These fish like all livebearers will readily breed in captivity, it is more a matter of when not how it will happen if you have a mix of males and females. Care should be taken when keeping with Platy as the 2 species can interbreed with each other. Males are easily identified by the presence of the 'sword' on the lower caudal fin.