Can Diamond Tetra Live With Sailfin Molly?
Diamond Tetra and Sailfin Molly CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–82°F.
pH
⚠ Use Caution
Very narrow pH overlap (7.5–7.5). Hard to maintain precisely.
Size
✓ Compatible
Compatible sizes (2.5" and 6").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Swim level compatibility is fine.
Trait Conflict
⚠ Use Caution
Sailfin Molly may prefer brackish water conditions, which Diamond Tetra cannot tolerate long-term.
Important Notes
- Diamond Tetra is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 35 gallons
| Parameter | Diamond Tetra | Sailfin Molly |
|---|---|---|
| Temperature | 72–82°F | 75–82°F |
| pH | 6–7.5 | 7.5–8.5 |
| Max Size | 2.5" | 6" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | Middle |
| Min Tank | 20 gal | 30 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.