Ember Tetra and Swordtail Compatibility Overview
Ember Tetra and Swordtail can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
| Factor | Ember Tetra | Swordtail | Verdict |
|---|---|---|---|
| Temperature | 73โ84ยฐF | 65โ80ยฐF | โ 73โ80ยฐF |
| pH Range | 5.5โ7.0 | 7.0โ8.3 | โ ๏ธ 7.0โ7.0 (narrow) |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 0.8 in | 5 in | โ 6ร difference |
| Min. Group | 8+ | 3+ | See below |
| Min. Tank Size | 75 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Ember Tetra โ Hyphessobrycon amandae
Tiny orange-red schooling tetra that is among the most adaptable nano fish. Peaceful with everything too small to eat them.
โ Full Ember Tetra care guide
Swordtail โ 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 Ember Tetra live with Swordtail?
With significant caution and a larger tank. Ember Tetra and Swordtail can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Ember Tetra and Swordtail together?
A minimum of 75 gallons is recommended for keeping Ember Tetra and Swordtail together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Ember Tetra and Swordtail?
73โ80ยฐF โ inside Ember Tetra's 73โ84ยฐF and Swordtail's 65โ80ยฐF.
Is a Ember Tetra aggressive toward a Swordtail?
Ember Tetra is peaceful and Swordtail is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Ember Tetra and Swordtail
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. |