Can Red Devil Live With Spike-Tailed Paradise Fish?

Red Devil and Spike-Tailed Paradise Fish are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 75–82°F.

pH ✓ Compatible

Good pH overlap at 6.5–7.5.

Size ⚠ Use Caution

Significant size difference (12" vs 2.5"). Red Devil may bully or stress Spike-Tailed Paradise Fish.

Temperament ✗ Not Compatible

Red Devil (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 Red Devil is territorial. Provide plenty of space and hiding spots.

Trait Conflict ✗ Not Compatible

Red Devil is a predator and may eat Spike-Tailed Paradise Fish.

Tank Requirements

Minimum tank size for this combination: 60 gallons

ParameterRed DevilSpike-Tailed Paradise Fish
Temperature75–82°F68–82°F
pH6.5–7.56–7.5
Max Size12"2.5"
TemperamentAggressivePeaceful
Swim LevelMiddleMiddle
Min Tank55 gal10 gal

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