Can Bloodfin Tetra Live With Discus?

Bloodfin Tetra and Discus CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ⚠ Use Caution

Very narrow temperature overlap (82–82°F). Maintaining stable temp in this range may be difficult.

pH ✓ Compatible

Good pH overlap at 6.0–7.0.

Size ⚠ Use Caution

Significant size difference (8" vs 2"). Discus may bully or stress Bloodfin Tetra.

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Fish occupy different water levels (Bloodfin Tetra: top, Discus: middle), reducing conflict.

Important Notes

  • Bloodfin Tetra is a schooling fish and needs at least 5 of its kind.
  • Discus is a schooling fish and needs at least 5 of its kind.

Tank Requirements

Minimum tank size for this combination: 55 gallons

ParameterBloodfin TetraDiscus
Temperature64–82°F82–88°F
pH6–85.5–7
Max Size2"8"
TemperamentPeacefulPeaceful
Swim LevelTopMiddle
Min Tank20 gal55 gal

Check More Combinations

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