Can Jack Dempsey Live With Murray River Rainbowfish?

Jack Dempsey and Murray River Rainbowfish are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 72–78°F.

pH ✓ Compatible

Good pH overlap at 6.5–7.5.

Size ✓ Compatible

Compatible sizes (10" and 4").

Temperament ✗ Not Compatible

Jack Dempsey (aggressive) is not compatible with Murray River Rainbowfish (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 Murray River Rainbowfish.

Important Notes

  • Murray River Rainbowfish is a schooling fish and needs at least 6 of its kind.

Tank Requirements

Minimum tank size for this combination: 70 gallons

ParameterJack DempseyMurray River Rainbowfish
Temperature72–86°F68–78°F
pH6.5–7.56.5–8
Max Size10"4"
TemperamentAggressivePeaceful
Swim LevelMiddleMiddle
Min Tank55 gal30 gal

Check More Combinations

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