Can Red Rainbowfish Live With X-Ray Tetra?

Red Rainbowfish and X-Ray Tetra CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 72–80°F.

pH ✓ Compatible

Good pH overlap at 7.0–7.5.

Size ⚠ Use Caution

Significant size difference (6" vs 1.75"). Red Rainbowfish may bully or stress X-Ray Tetra.

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Swim level compatibility is fine.

Important Notes

  • Red Rainbowfish is a schooling fish and needs at least 6 of its kind.
  • 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

ParameterRed RainbowfishX-Ray Tetra
Temperature72–80°F72–82°F
pH7–86–7.5
Max Size6"1.75"
TemperamentPeacefulPeaceful
Swim LevelMiddleMiddle
Min Tank55 gal10 gal

Check More Combinations

Use our compatibility checker to add more fish and plan your complete tank.