Can Congo Tetra Live With Molly?

Congo Tetra and Molly CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 73–82°F.

pH ✓ Compatible

Good pH overlap at 7.0–7.5.

Size ✓ Compatible

Compatible sizes (3.5" and 4").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Swim level compatibility is fine.

Trait Conflict ⚠ Use Caution

Molly may prefer brackish water conditions, which Congo Tetra cannot tolerate long-term.

Important Notes

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

Tank Requirements

Minimum tank size for this combination: 40 gallons

ParameterCongo TetraMolly
Temperature73–82°F72–82°F
pH6–7.57–8.5
Max Size3.5"4"
TemperamentPeacefulPeaceful
Swim LevelMiddleMiddle
Min Tank30 gal20 gal

Check More Combinations

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