Can Discus Live With Turquoise Rainbowfish?

Discus and Turquoise Rainbowfish are NOT compatible tank mates.

Detailed Analysis

Temperature ✗ Not Compatible

No temperature overlap. Discus needs 82–88°F, but Turquoise Rainbowfish needs 72–78°F.

pH ⚠ Use Caution

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

Size ✓ Compatible

Compatible sizes (8" and 4").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Swim level compatibility is fine.

Important Notes

  • Discus is a schooling fish and needs at least 5 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: 70 gallons

ParameterDiscusTurquoise Rainbowfish
Temperature82–88°F72–78°F
pH5.5–77–8
Max Size8"4"
TemperamentPeacefulPeaceful
Swim LevelMiddleMiddle
Min Tank55 gal30 gal

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