Swordtail and Tiger Barb Compatibility Overview
Swordtail and Tiger Barb can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Swordtail is peaceful and Tiger Barb is semi, so give them room and cover rather than assuming they will ignore each other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Swordtail | Tiger Barb | Verdict |
|---|---|---|---|
| Temperature | 65โ80ยฐF | 68โ79ยฐF | โ 68โ79ยฐF |
| pH Range | 7.0โ8.3 | 6.0โ8.0 | โ 7.0โ8.0 |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 5 in | 2.75 in | โ Similar |
| Min. Group | 3+ | 6+ | See below |
| Min. Tank Size | 75 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Swordtail โ Xiphophorus hellerii
Hardy livebearer with a distinctive elongated lower tail fin in males. Peaceful community fish that tolerate a wide temperature range.
Tiger Barb โ Puntigrus tetrazona
Striking striped barbs that are notorious fin-nippers. Must be kept in groups of 6+ to redirect aggression within the school. Incompatible with long-finned fish.
Frequently Asked Questions
Can Swordtail live with Tiger Barb?
Yes, in a well-planned setup. Swordtail and Tiger Barb can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Swordtail is peaceful and Tiger Barb is semi, so give them room and cover rather than assuming they will ignore each 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 Swordtail and Tiger Barb together?
A minimum of 75 gallons is recommended for keeping Swordtail and Tiger Barb together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Swordtail and Tiger Barb?
68โ79ยฐF โ inside Swordtail's 65โ80ยฐF and Tiger Barb's 68โ79ยฐF.
Is a Swordtail aggressive toward a Tiger Barb?
Swordtail is peaceful and Tiger Barb is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Swordtail and Tiger Barb
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 75 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 125 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 150 gal | Best when keeping larger schools or reducing territorial pressure. |