Can Congo Tetra Live With Emerald Betta?

Congo Tetra and Emerald Betta 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 6.0–7.0.

Size ✓ Compatible

Compatible sizes (3.5" and 2.5").

Temperament ⚠ Use Caution

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

Swim Level ✓ Compatible

Fish occupy different water levels (Congo Tetra: middle, Emerald Betta: top), reducing conflict.

Important Notes

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

Tank Requirements

Minimum tank size for this combination: 33 gallons

ParameterCongo TetraEmerald Betta
Temperature73–82°F73–82°F
pH6–7.55.5–7
Max Size3.5"2.5"
TemperamentPeacefulSemi-aggressive
Swim LevelMiddleTop
Min Tank30 gal5 gal

Check More Combinations

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