Orange Swordtail
The Orange Swordtail (Xiphophorus helleri) is a bright and cheerful livebearer known for its vibrant orange coloration and distinctive sword-like tail extension in males. These beautiful fish feature a solid orange color that shines under aquarium lighting, creating a warm and inviting appearance. Peaceful, active, and easy to care for, Orange Swordtails add both intense color and constant activity to any community aquarium. Their hardy nature and beautiful appearance make them perfect for both beginner and experienced aquarists.
Care Sheet – Orange Swordtail (Xiphophorus helleri)
Temperament
Peaceful, active, and social
Best kept in groups with mixed genders or single-sex groups
Adult Size
Males: 4–5 inches (including sword), Females: 5–6 inches
Minimum Tank Size
20 gallons for a small group
Water Parameters
Temperature: 70–82°F
pH: 7.0–8.0 (prefers slightly alkaline water)
Hardness: Moderate to hard (10–20 dGH)
Ammonia/Nitrite: 0 ppm
Nitrate: <20–30 ppm
Diet
Omnivorous
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Feed a varied diet:
High-quality flakes or pellets
Frozen or live foods: brine shrimp, daphnia
Color-enhancing foods to maintain vibrant orange
Feed small amounts 1–2 times daily
Behavior & Compatibility
Excellent for peaceful community tanks
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Compatible with:
Other livebearers, larger tetras, rasboras
Corydoras and other peaceful bottom dwellers
Peaceful gouramis and rainbowfish
Avoid aggressive or fin-nipping species
Aquarium Setup
Planted tanks with dark substrate to enhance orange color
Moderate lighting to showcase vibrant orange
Moderate water flow
Clean, well-maintained water
Care Level
Easy
Very hardy and beginner-friendly
Lifespan
3–5 years with proper care
Special Notes
Vibrant solid orange coloration covering entire body
Males develop distinctive sword-like tail extension
Breed readily in home aquariums
Bright and cheerful addition to community tanks