Can Guppy live with Pygmy Rasbora?
Caution — with care
Why
- Only a narrow pH overlap — keep both around 6.8–7.
- Only a narrow water hardness overlap — keep both around 8 dGH.
Sweet spot: both do well at 75–82°F and pH 6.8–7 — aim there.
Side-by-side
| Guppy | Pygmy Rasbora | |
|---|---|---|
| Temperature | 72–82°F | 75–82°F |
| pH | 6.8–7.8 | 5–7 |
| Hardness (GH) | 8–20 dGH | 1–8 dGH |
| Adult size | 2" | 0.8" |
| Temperament | Peaceful | Peaceful |
| Min tank | 10 gal | 5 gal |
Together, plan on at least 10 gallons.
How to make it work
- Target the overlapping water-parameter range and acclimate slowly.
Sort it with: GH remineraliser → Aquarium Co-Op
Where to buy
- Guppy: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Pygmy Rasbora: 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 Guppy · …with Pygmy Rasbora