Can Bladder Snail live with Cardinal Tetra?
Light caution
Why
- Only a narrow pH overlap — keep both around 7–7.
- Only a narrow water hardness overlap — keep both around 4–6 dGH.
Sweet spot: both do well at 73–81°F and pH 7–7 — aim there.
Side-by-side
| Bladder Snail | Cardinal Tetra | |
|---|---|---|
| Temperature | 60–82°F | 73–81°F |
| pH | 7–8 | 5–7 |
| Hardness (GH) | 4–18 dGH | 1–6 dGH |
| Adult size | 0.5" | 2" |
| Temperament | Peaceful | Peaceful |
| Min tank | 5 gal | 15 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
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
Skapelab plans a complete, buildable planted aquarium around your fish — a hand-illustrated layout, the exact plants and hardscape, a placement map, and a full equipment and shopping list. Free.
Design a tank with Bladder Snail, Cardinal Tetra →Everything compatible with Bladder Snail · …with Cardinal Tetra