Can Jack Dempsey Live With Spike-Tailed Paradise Fish?

Jack Dempsey and Spike-Tailed Paradise Fish are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 72–82°F.

pH ✓ Compatible

Good pH overlap at 6.5–7.5.

Size ⚠ Use Caution

Significant size difference (10" vs 2.5"). Jack Dempsey may bully or stress Spike-Tailed Paradise Fish.

Temperament ✗ Not Compatible

Jack Dempsey (aggressive) is not compatible with Spike-Tailed Paradise Fish (peaceful). Aggression or stress is very likely.

Swim Level ⚠ Use Caution

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

Trait Conflict ✗ Not Compatible

Jack Dempsey is a predator and may eat Spike-Tailed Paradise Fish.

Tank Requirements

Minimum tank size for this combination: 60 gallons

ParameterJack DempseySpike-Tailed Paradise Fish
Temperature72–86°F68–82°F
pH6.5–7.56–7.5
Max Size10"2.5"
TemperamentAggressivePeaceful
Swim LevelMiddleMiddle
Min Tank55 gal10 gal

Check More Combinations

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