Can Brunei Beauty Live With Cardinal Tetra?

Brunei Beauty and Cardinal Tetra CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 73–78°F.

pH ✓ Compatible

Good pH overlap at 5.0–6.5.

Size ✓ Compatible

Compatible sizes (4.5" and 2").

Temperament ⚠ Use Caution

Brunei Beauty (semi-aggressive) may have issues with Cardinal Tetra (peaceful). Monitor closely if attempting.

Swim Level ⚠ Use Caution

Both fish occupy the middle level and Brunei Beauty is territorial. Provide plenty of space and hiding spots.

Important Notes

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

Tank Requirements

Minimum tank size for this combination: 25 gallons

ParameterBrunei BeautyCardinal Tetra
Temperature72–78°F73–84°F
pH4.5–6.55–7
Max Size4.5"2"
TemperamentSemi-aggressivePeaceful
Swim LevelMiddleMiddle
Min Tank20 gal10 gal

Check More Combinations

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