Can Blue Tetra Live With Forktail Rainbowfish?
Blue Tetra and Forktail Rainbowfish CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 73–80°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.5.
Size
✓ Compatible
Compatible sizes (2.5" and 2").
Temperament
⚠ Use Caution
Blue Tetra (semi-aggressive) may have issues with Forktail Rainbowfish (peaceful). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Blue Tetra: middle, Forktail Rainbowfish: top), reducing conflict.
Important Notes
- Blue Tetra is a schooling fish and needs at least 6 of its kind.
- Forktail Rainbowfish is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 25 gallons
| Parameter | Blue Tetra | Forktail Rainbowfish |
|---|---|---|
| Temperature | 73–82°F | 73–80°F |
| pH | 6–7.5 | 6.5–7.5 |
| Max Size | 2.5" | 2" |
| Temperament | Semi-aggressive | Peaceful |
| Swim Level | Middle | Top |
| Min Tank | 20 gal | 10 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.