Can Congo Tetra Live With Cuckoo Catfish?

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

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 75–82°F.

pH ⚠ Use Caution

Very narrow pH overlap (7.5–7.5). Hard to maintain precisely.

Size ✓ Compatible

Compatible sizes (3.5" and 7").

Temperament ⚠ Use Caution

Congo Tetra (peaceful) may have issues with Cuckoo Catfish (semi-aggressive). Monitor closely if attempting.

Swim Level ✓ Compatible

Fish occupy different water levels (Congo Tetra: middle, Cuckoo Catfish: bottom), reducing conflict.

Important Notes

  • Congo Tetra is a schooling fish and needs at least 6 of its kind.
  • Cuckoo Catfish is a schooling fish and needs at least 3 of its kind.

Tank Requirements

Minimum tank size for this combination: 50 gallons

ParameterCongo TetraCuckoo Catfish
Temperature73–82°F75–82°F
pH6–7.57.5–9
Max Size3.5"7"
TemperamentPeacefulSemi-aggressive
Swim LevelMiddleBottom
Min Tank30 gal40 gal

Check More Combinations

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