Can Congo Tetra Live With Red-Bellied Pacu?

Congo Tetra and Red-Bellied Pacu are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 76–82°F.

pH ✓ Compatible

Good pH overlap at 6.0–7.5.

Size ✗ Not Compatible

Extreme size difference. Red-Bellied Pacu (30") may eat or bully Congo Tetra (3.5").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Swim level compatibility is fine.

Important Notes

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

Tank Requirements

Minimum tank size for this combination: 250 gallons

ParameterCongo TetraRed-Bellied Pacu
Temperature73–82°F76–82°F
pH6–7.56–7.5
Max Size3.5"30"
TemperamentPeacefulPeaceful
Swim LevelMiddleMiddle
Min Tank30 gal250 gal

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