Can Red Devil Live With X-Ray Tetra?
Red Devil and X-Ray Tetra are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–82°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.5.
Size
✗ Not Compatible
Extreme size difference. Red Devil (12") may eat or bully X-Ray Tetra (1.75").
Temperament
✗ Not Compatible
Red Devil (aggressive) is not compatible with X-Ray Tetra (peaceful). Aggression or stress is very likely.
Swim Level
⚠ Use Caution
Both fish occupy the middle level and Red Devil is territorial. Provide plenty of space and hiding spots.
Trait Conflict
✗ Not Compatible
Red Devil is a predator and may eat X-Ray Tetra.
Important Notes
- X-Ray Tetra is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 60 gallons
| Parameter | Red Devil | X-Ray Tetra |
|---|---|---|
| Temperature | 75–82°F | 72–82°F |
| pH | 6.5–7.5 | 6–7.5 |
| Max Size | 12" | 1.75" |
| Temperament | Aggressive | Peaceful |
| Swim Level | Middle | Middle |
| Min Tank | 55 gal | 10 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.