Can Jack Dempsey Live With Krabi Mouth-Brooding Betta?

Jack Dempsey and Krabi Mouth-Brooding Betta are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 72–80°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 Krabi Mouth-Brooding Betta.

Temperament ✗ Not Compatible

Jack Dempsey (aggressive) is not compatible with Krabi Mouth-Brooding Betta (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 Krabi Mouth-Brooding Betta.

Tank Requirements

Minimum tank size for this combination: 60 gallons

ParameterJack DempseyKrabi Mouth-Brooding Betta
Temperature72–86°F72–80°F
pH6.5–7.56–7.5
Max Size10"2.5"
TemperamentAggressivePeaceful
Swim LevelMiddleMiddle
Min Tank55 gal10 gal

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