Can Ruby Tetra Live With Turquoise Rainbowfish?

Ruby Tetra and Turquoise Rainbowfish are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 72–78°F.

pH ⚠ Use Caution

Very narrow pH overlap (7.0–7.0). Hard to maintain precisely.

Size ✗ Not Compatible

Extreme size difference. Turquoise Rainbowfish (4") may eat or bully Ruby Tetra (0.7").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Swim level compatibility is fine.

Important Notes

  • Ruby Tetra is a schooling fish and needs at least 8 of its kind.
  • Turquoise Rainbowfish is a schooling fish and needs at least 6 of its kind.

Tank Requirements

Minimum tank size for this combination: 30 gallons

ParameterRuby TetraTurquoise Rainbowfish
Temperature68–82°F72–78°F
pH5–77–8
Max Size0.7"4"
TemperamentPeacefulPeaceful
Swim LevelMiddleMiddle
Min Tank5 gal30 gal

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