Swordtail Fish
Energetic & Colorful
Medium
3–5 Years lifespan
1–3 grams
8–12 cm
High Energy
Freshwater livebearer Group
Minimum 60 liters (for small group)
Beginner-Friendly
Red, orange, green, black, pineapple, tuxedo varieties
Color/Pattern
Sword-like tail (males), active swimmers
Special Traits
Slim, elongated body
Body Type
Smooth and glossy
Scale Type
Swordtail Fish Temperament & Nature
- Peaceful but energetic
- Males may show mild aggression toward other males
- Best kept in groups (1 male to 2–3 females)
- Active swimmers
- Compatible with guppies, platies, mollies, and other peaceful fish
They thrive in active community tanks with similar-sized fish.
Energy & Exercise Needs
- Water temperature: 22–28°C
- pH range: 7.0–8.0
- Moderate filtration
- Long tank for horizontal swimming
- Planted areas for hiding
Swordtails need open swimming space due to their energetic nature.
🎾 Best toys for Swordtail Fish
Diet & Nutrition Guide
- High-quality flakes or pellets
- Vegetable-based supplements (spirulina, blanched spinach)
- Occasional live/frozen food (brine shrimp, daphnia)
- Feed 1–2 times daily
A varied diet enhances color vibrancy and supports breeding health.
🍽️ Recommended food for Swordtail Fish
Aquarium Care Tips
- Weekly 20–30% water change
- Maintain stable water parameters
- Avoid overcrowding
- Provide hiding spaces
- Monitor male aggression
Clean water and proper group ratio reduce stress and health issues.
Swordtail Fish Health Guide by Age
Fry (0–2 Months)
- Feed crushed flakes or baby brine shrimp
- Provide plant cover
- Maintain stable warm water
Adult (2 Months–3 Years)
- Balanced varied diet
- Monitor breeding activity
- Maintain good water quality
Senior (3+ Years)
- Slightly reduced activity
- Softer food if required
- Extra attention to water cleanliness
