Can Bloodfin Tetra Live With Threadfin Acara?

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

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 76–82°F.

pH ✓ Compatible

Good pH overlap at 6.0–7.5.

Size ⚠ Use Caution

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

Temperament ⚠ Use Caution

Bloodfin Tetra (peaceful) may have issues with Threadfin Acara (semi-aggressive). Monitor closely if attempting.

Swim Level ✓ Compatible

Fish occupy different water levels (Bloodfin Tetra: top, Threadfin Acara: bottom), reducing conflict.

Important Notes

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

Tank Requirements

Minimum tank size for this combination: 55 gallons

ParameterBloodfin TetraThreadfin Acara
Temperature64–82°F76–84°F
pH6–85.5–7.5
Max Size2"8"
TemperamentPeacefulSemi-aggressive
Swim LevelTopBottom
Min Tank20 gal55 gal

Check More Combinations

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