Can Discus Live With Rosy Loach?

Discus and Rosy Loach are NOT compatible tank mates.

Detailed Analysis

Temperature ✗ Not Compatible

No temperature overlap. Discus needs 82–88°F, but Rosy Loach needs 72–79°F.

pH ✓ Compatible

Good pH overlap at 6.5–7.0.

Size ✗ Not Compatible

Extreme size difference. Discus (8") may eat or bully Rosy Loach (1.2").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Fish occupy different water levels (Discus: middle, Rosy Loach: bottom), reducing conflict.

Important Notes

  • Discus is a schooling fish and needs at least 5 of its kind.
  • Rosy Loach is a schooling fish and needs at least 6 of its kind.

Tank Requirements

Minimum tank size for this combination: 60 gallons

ParameterDiscusRosy Loach
Temperature82–88°F72–79°F
pH5.5–76.5–7.5
Max Size8"1.2"
TemperamentPeacefulPeaceful
Swim LevelMiddleBottom
Min Tank55 gal10 gal

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