Compatibility Overview
Cherry Barb and Swordtail can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Cherry Barb | Swordtail | Verdict |
|---|---|---|---|
| Temperature | 73–81°F | 65–80°F | ✅ 73–80°F |
| pH Range | 6.0–8.0 | 7.0–8.3 | ✅ 7.0–8.0 |
| Temperament | peaceful | peaceful | ✅ Compatible |
| Adult Size | 2 in | 5 in | ⚠️ 2.5× difference |
| Min. Group | 6+ | 3+ | See below |
| Min. Tank Size | 75 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Cherry Barb — Puntius titteya
Unlike most barbs, cherry barbs are peaceful schooling fish safe with bettas and nano species. Males turn vivid red when in breeding condition.
Swordtail — Xiphophorus hellerii
Hardy livebearer with a distinctive elongated lower tail fin in males. Peaceful community fish that tolerate a wide temperature range.
Frequently Asked Questions
Can Cherry Barb live with Swordtail?
Yes, in a well-planned setup. Cherry Barb and Swordtail can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Cherry Barb and Swordtail together?
A minimum of 75 gallons is recommended for keeping Cherry Barb and Swordtail together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Cherry Barb and Swordtail?
73–80°F
Is a Cherry Barb aggressive toward a Swordtail?
Cherry Barb is peaceful and Swordtail is peaceful. No major aggression issues are expected between these species.