Can Brown's Betta Live With Diamond Tetra?
Brown's Betta and Diamond Tetra are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–82°F.
pH
✗ Not Compatible
No pH overlap. Brown's Betta needs pH 3.5–5.5, but Diamond Tetra needs pH 6–7.5.
Size
✓ Compatible
Compatible sizes (1.5" and 2.5").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Brown's Betta: top, Diamond Tetra: middle), reducing conflict.
Important Notes
- Diamond Tetra is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 20 gallons
| Parameter | Brown's Betta | Diamond Tetra |
|---|---|---|
| Temperature | 75–82°F | 72–82°F |
| pH | 3.5–5.5 | 6–7.5 |
| Max Size | 1.5" | 2.5" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Top | Middle |
| Min Tank | 5 gal | 20 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.