Can Black Neon Tetra Live With Red Rainbowfish?
Black Neon Tetra and Red 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 7.0–7.5.
Size
⚠ Use Caution
Significant size difference (6" vs 1.5"). Red Rainbowfish may bully or stress Black Neon Tetra.
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Swim level compatibility is fine.
Important Notes
- Black Neon Tetra is a schooling fish and needs at least 6 of its kind.
- Red Rainbowfish is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 55 gallons
| Parameter | Black Neon Tetra | Red Rainbowfish |
|---|---|---|
| Temperature | 73–82°F | 72–80°F |
| pH | 5.5–7.5 | 7–8 |
| Max Size | 1.5" | 6" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | Middle |
| Min Tank | 10 gal | 55 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.