Can Electric Blue Jack Dempsey Live With Ember Tetra?

Electric Blue Jack Dempsey and Ember Tetra are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 74–84°F.

pH ✓ Compatible

Good pH overlap at 6.5–7.0.

Size ✗ Not Compatible

Extreme size difference. Electric Blue Jack Dempsey (8") may eat or bully Ember Tetra (0.8").

Temperament ⚠ Use Caution

Electric Blue Jack Dempsey (semi-aggressive) may have issues with Ember Tetra (peaceful). Monitor closely if attempting.

Swim Level ⚠ Use Caution

Both fish occupy the middle level and Electric Blue Jack Dempsey is territorial. Provide plenty of space and hiding spots.

Important Notes

  • Ember Tetra is a schooling fish and needs at least 8 of its kind.

Tank Requirements

Minimum tank size for this combination: 60 gallons

ParameterElectric Blue Jack DempseyEmber Tetra
Temperature74–84°F73–84°F
pH6.5–7.55.5–7
Max Size8"0.8"
TemperamentSemi-aggressivePeaceful
Swim LevelMiddleMiddle
Min Tank55 gal10 gal

Check More Combinations

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