Can Betta mahachaiensis Live With Chili Rasbora?

Betta mahachaiensis and Chili Rasbora CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 75–82°F.

pH ✓ Compatible

Good pH overlap at 6.5–7.0.

Size ✓ Compatible

Compatible sizes (2" and 0.7").

Temperament ⚠ Use Caution

Betta mahachaiensis (semi-aggressive) may have issues with Chili Rasbora (peaceful). Monitor closely if attempting.

Swim Level ✓ Compatible

Fish occupy different water levels (Betta mahachaiensis: top, Chili Rasbora: middle), reducing conflict.

Trait Conflict ⚠ Use Caution

Betta mahachaiensis may prefer brackish water conditions, which Chili Rasbora cannot tolerate long-term.

Important Notes

  • Chili Rasbora is a schooling fish and needs at least 8 of its kind.

Tank Requirements

Minimum tank size for this combination: 8 gallons

ParameterBetta mahachaiensisChili Rasbora
Temperature75–82°F68–82°F
pH6.5–84–7
Max Size2"0.7"
TemperamentSemi-aggressivePeaceful
Swim LevelTopMiddle
Min Tank5 gal5 gal

Check More Combinations

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