Swordtails
Xiphophorus hellerii
LivebearersBeginner
Species Details
Attractive livebearers with males displaying characteristic sword-like tail extensions, though they can be more aggressive than other livebearers.
Beginner Care Level
Basic Information
Size8-12 cm (3-5 inches)
TemperamentPeaceful/Semi-aggressive
DietOmnivorous
Lifespan3-5 years
Tank Size76+ litres (20+ gallons)
Water Parameters
Temperature
22-28°C (72-82°F)pH Level
7.0-8.3Hardness
12-30 dGHTank Mate Recommendations
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Swordtails
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Quick Facts
Males have distinctive sword-like tail extension
Hardy and adaptable livebearing fish
Come in many colour varieties
Can be somewhat aggressive, especially males
Omnivorous with hearty appetites
Active swimmers needing space
Live 3-5 years typically
Very prolific breeders
Can jump, need covered tanks
Prefer slightly alkaline water
Compatibility Summary
Care Requirements
Tank Size76+ litres (20+ gallons)
Temperature22-28°C (72-82°F)
pH7.0-8.3
Hardness12-30 dGH