Can Swordtail live with Zebra Danio?
Light caution
Why
- Swordtail is large enough to threaten a small Zebra Danio — usually fine once both are adult, but watch new additions.
Sweet spot: both do well at 72–77°F and pH 7–7.5 — aim there.
Side-by-side
| Swordtail | Zebra Danio | |
|---|---|---|
| Temperature | 72–82°F | 64–77°F |
| pH | 7–8.4 | 6.5–7.5 |
| Hardness (GH) | 12–30 dGH | 5–19 dGH |
| Adult size | 5.5" | 2" |
| Temperament | Peaceful | Peaceful |
| Min tank | 29 gal | 10 gal |
Together, plan on at least 29 gallons.
Where to buy
- Swordtail: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Zebra Danio: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
Live-animal shipping: add a heat pack below 50°F, expect weather holds above 90°F, and schedule delivery for a moderate week when someone can receive it promptly.
Build a full tank around this stocking →Everything compatible with Swordtail · …with Zebra Danio