Can Black Neon Tetra Live With Geophagus Tapajos Red Head?

Black Neon Tetra and Geophagus Tapajos Red Head CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 78–82°F.

pH ✓ Compatible

Good pH overlap at 5.5–7.5.

Size ⚠ Use Caution

Significant size difference (7" vs 1.5"). Geophagus Tapajos Red Head may bully or stress Black Neon Tetra.

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Fish occupy different water levels (Black Neon Tetra: middle, Geophagus Tapajos Red Head: bottom), reducing conflict.

Important Notes

  • Black Neon Tetra is a schooling fish and needs at least 6 of its kind.
  • Geophagus Tapajos Red Head is a schooling fish and needs at least 5 of its kind.

Tank Requirements

Minimum tank size for this combination: 55 gallons

ParameterBlack Neon TetraGeophagus Tapajos Red Head
Temperature73–82°F78–86°F
pH5.5–7.55.5–7.5
Max Size1.5"7"
TemperamentPeacefulPeaceful
Swim LevelMiddleBottom
Min Tank10 gal55 gal

Check More Combinations

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