Can Discus Live With Forktail Rainbowfish?
Discus and Forktail Rainbowfish are NOT compatible tank mates.
Detailed Analysis
Temperature
✗ Not Compatible
No temperature overlap. Discus needs 82–88°F, but Forktail Rainbowfish needs 73–80°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.0.
Size
⚠ Use Caution
Significant size difference (8" vs 2"). Discus may bully or stress Forktail Rainbowfish.
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Discus: middle, Forktail Rainbowfish: top), reducing conflict.
Important Notes
- Discus is a schooling fish and needs at least 5 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: 60 gallons
| Parameter | Discus | Forktail Rainbowfish |
|---|---|---|
| Temperature | 82–88°F | 73–80°F |
| pH | 5.5–7 | 6.5–7.5 |
| Max Size | 8" | 2" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | Top |
| Min Tank | 55 gal | 10 gal |
Check More Combinations
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