Can Mascara Barb Live With Phoenix Rasbora?

Mascara Barb and Phoenix Rasbora are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 72–77°F.

pH ⚠ Use Caution

Very narrow pH overlap (6.5–6.5). Hard to maintain precisely.

Size ✗ Not Compatible

Extreme size difference. Mascara Barb (5") may eat or bully Phoenix Rasbora (0.8").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Swim level compatibility is fine.

Important Notes

  • Mascara Barb is a schooling fish and needs at least 6 of its kind.
  • Phoenix Rasbora is a schooling fish and needs at least 8 of its kind.

Tank Requirements

Minimum tank size for this combination: 33 gallons

ParameterMascara BarbPhoenix Rasbora
Temperature68–77°F72–79°F
pH6.5–7.54–6.5
Max Size5"0.8"
TemperamentPeacefulPeaceful
Swim LevelMiddleMiddle
Min Tank30 gal5 gal

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