Can Cardinal Tetra Live With Spanner Barb?

Cardinal Tetra and Spanner Barb CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 73–82°F.

pH ✓ Compatible

Good pH overlap at 6.0–7.0.

Size ⚠ Use Caution

Significant size difference (7" vs 2"). Spanner Barb may bully or stress Cardinal Tetra.

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Swim level compatibility is fine.

Important Notes

  • Cardinal Tetra is a schooling fish and needs at least 6 of its kind.
  • Spanner Barb is a schooling fish and needs at least 5 of its kind.

Tank Requirements

Minimum tank size for this combination: 30 gallons

ParameterCardinal TetraSpanner Barb
Temperature73–84°F72–82°F
pH5–76–7.5
Max Size2"7"
TemperamentPeacefulPeaceful
Swim LevelMiddleMiddle
Min Tank10 gal30 gal

Check More Combinations

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