Can Cardinal Tetra Live With Diamond Tetra?

Cardinal Tetra and Diamond Tetra are compatible tank mates!

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 73–82°F.

pH ✓ Compatible

Good pH overlap at 6.0–7.0.

Size ✓ Compatible

Compatible sizes (2" and 2.5").

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

Tank Requirements

Minimum tank size for this combination: 20 gallons

ParameterCardinal TetraDiamond Tetra
Temperature73–84°F72–82°F
pH5–76–7.5
Max Size2"2.5"
TemperamentPeacefulPeaceful
Swim LevelMiddleMiddle
Min Tank10 gal20 gal

Check More Combinations

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