Can Cardinal Tetra live with Blue Mystery Snail?
Caution — with care
Why
- No overlapping water hardness: Cardinal Tetra wants 1–6 dGH but Blue Mystery Snail wants 8–18 dGH.
- Only a narrow pH overlap — keep both around 7–7.
Sweet spot: both do well at 73–81°F and pH 7–7 — aim there.
Side-by-side
| Cardinal Tetra | Blue Mystery Snail | |
|---|---|---|
| Temperature | 73–81°F | 68–82°F |
| pH | 5–7 | 7–8 |
| Hardness (GH) | 1–6 dGH | 8–18 dGH |
| Adult size | 2" | 1.8" |
| Temperament | Peaceful | Peaceful |
| Min tank | 15 gal | 10 gal |
Together, plan on at least 15 gallons.
How to make it work
- Target the overlapping water-parameter range and acclimate slowly.
Sort it with: GH remineraliser
Where to buy
- Cardinal Tetra: buy at The Shrimp Farm · The Shrimp Farm live-arrival guarantee
- Blue Mystery Snail: buy at The Shrimp Farm · The Shrimp Farm 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.
Design the whole tank, not just the stocking
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Design a tank with Cardinal Tetra, Blue Mystery Snail →Everything compatible with Cardinal Tetra · …with Blue Mystery Snail