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Can Cardinal Tetra and Molly Live Together?
Compatible with caution
- Shared temperature window: 73-81°F.
- pH preferences barely overlap (Cardinal Tetra: 5.5-7 vs Molly: 7.5-8.5).
Side-by-side
| Parameter | Cardinal Tetra | Molly |
|---|---|---|
| Adult size | 2" | 4" |
| Min tank | 20 gal | 20 gal |
| Temperature | 73-81°F | 72-82°F |
| pH | 5.5-7 | 7.5-8.5 |
| Temperament | Peaceful | Peaceful |
| Diet | Omnivore | Omnivore |
Recommended shared tank: 20 gallons or larger. Keep at 73-81°F.
FAQ
Can Cardinal Tetra and Molly live together?
Compatible with caution. Shared temperature window: 73-81°F.
What size tank do Cardinal Tetra and Molly need together?
Plan for at least 20 gallons, more if you keep schooling groups of either species.
See full care guides: Cardinal Tetra · Molly