Tank mate check
Can Betta Fish and Cardinal Tetra live together?
Verdict: With caution
With caution. Betta Fish and Cardinal Tetra can share a tank if you watch the points below.
Why
The same temperament, water and known-conflict checks the MyAquaLog compatibility tool runs.
- Semi-aggressive species may stress peaceful fish. Betta Fish is rated semi-aggressive, Cardinal Tetra peaceful.
- Temperature overlap 76-81°F.
- pH overlap 6.5 is a narrow band, so hold pH steady inside it.
- Cardinal Tetra sets the floor at 10 gallons on its own. Size up from there for both groups.
- Keep Cardinal Tetra in a group of 6 or more.
Side by side
| Betta Fish | Cardinal Tetra | |
|---|---|---|
| Minimum tank | 5 gal | 10 gal |
| Temperature | 76-82°F (24-28°C) | 73-81°F (23-27°C) |
| pH | 6.5-7.5 | 5-6.5 |
| Temperament | Semi-aggressive | Peaceful |
| Swim level | Top | Middle |
| Group size | Can be kept singly | 6 or more together |
Check your own tank
This page compares two species on their own. Your full stock list, tank size and bioload change the answer, so log your own tank.
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Other pairings
More Betta Fish pairings
- Amano Shrimp with caution
- Angelfish no
- Bristlenose Pleco with caution
- Cherry Shrimp with caution
- Corydoras Catfish with caution
- Discus no
- Dwarf Gourami no
- Goldfish no
- Guppy no
- Harlequin Rasbora with caution
- Kuhli Loach with caution
- Molly Fish with caution
- Mystery Snail with caution
- Neon Tetra with caution
- Nerite Snail with caution
- Oscar Fish no
- Otocinclus with caution
- Platy with caution
- Plecostomus with caution
- Rummy Nose Tetra with caution
- Siamese Algae Eater with caution
More Cardinal Tetra pairings
- Amano Shrimp with caution
- Angelfish with caution
- Bristlenose Pleco yes
- Cherry Shrimp with caution
- Corydoras Catfish yes
- Discus no
- Dwarf Gourami with caution
- Goldfish no
- Guppy no
- Harlequin Rasbora yes
- Kuhli Loach yes
- Molly Fish no
- Mystery Snail no
- Neon Tetra yes
- Nerite Snail no
- Oscar Fish no
- Otocinclus yes
- Platy no
- Plecostomus with caution
- Rummy Nose Tetra yes
- Siamese Algae Eater yes