Can Cardinal Tetra Live With Silver Arowana?
❌Not Compatible
Silver Arowana is aggressive and will likely attack or stress tank mates.
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Parameter Comparison
| Parameter | Cardinal Tetra | Silver Arowana | Overlap |
|---|---|---|---|
| Temperature | 73–81°F | 75–82°F | 75–81°F ✓ |
| pH Range | 4.5–7 | 6–7.5 | 6–7 ✓ |
| Temperament | peaceful | aggressive | Aggression risk ✗ |
| Max Size | 2" | 36" | Size mismatch ✗ |
| Min Tank Size | 10 gal | 125 gal | 125 gal minimum together |
| Diet | Omnivore | Carnivore | — |
| Care Level | intermediate | advanced | — |
Species Profiles
Cardinal Tetra
Paracheirodon axelrodi
intermediatepeaceful10+ gal
Cardinal tetras look similar to neon tetras but have a red stripe that extends the entire length of their body (vs only the back half in neons). They prefer softer, more acidic water and are slightly more delicate, but their deeper coloration makes them highly sought after.
Full care guide →Silver Arowana
Osteoglossum bicirrhosum
advancedaggressive125+ gal
The Silver Arowana (Osteoglossum bicirrhosum) is a advanced-level freshwater fish growing to 36 inches. Aggressive temperament, minimum 125 gallon tank.
Full care guide →Other Compatible Tank Mates
For Cardinal Tetra:
For Silver Arowana:
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