Can Betta mahachaiensis Live With Jack Dempsey?
Betta mahachaiensis and Jack Dempsey 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 (10" vs 2"). Jack Dempsey may bully or stress Betta mahachaiensis.
Temperament
✗ Not Compatible
Betta mahachaiensis (semi-aggressive) is not compatible with Jack Dempsey (aggressive). Aggression or stress is very likely.
Swim Level
✓ Compatible
Fish occupy different water levels (Betta mahachaiensis: top, Jack Dempsey: middle), reducing conflict.
Trait Conflict
✗ Not Compatible
Jack Dempsey is a predator and may eat Betta mahachaiensis.
Trait Conflict
⚠ Use Caution
Betta mahachaiensis may prefer brackish water conditions, which Jack Dempsey cannot tolerate long-term.
Tank Requirements
Minimum tank size for this combination: 55 gallons
| Parameter | Betta mahachaiensis | Jack Dempsey |
|---|---|---|
| Temperature | 75–82°F | 72–86°F |
| pH | 6.5–8 | 6.5–7.5 |
| Max Size | 2" | 10" |
| Temperament | Semi-aggressive | Aggressive |
| Swim Level | Top | Middle |
| Min Tank | 5 gal | 55 gal |
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