Mahachai Betta

Betta mahachaiensis

AnabantoidsIntermediate
Check CompatibilityBuild Tank

Species Details

A wild Betta species from the Mahachai region of Thailand. Distinguished by its dark coloration and tolerance for slightly brackish water.

Intermediate Care Level

Basic Information

Size5.5 cm (2.2 inches)
TemperamentSemi-aggressive
DietCarnivorous
Lifespan2-3 years
Tank Size38+ litres (10+ gallons)

Water Parameters

Temperature
24-28°C (75-82°F)
pH Level
6.5-7.5
Hardness
5-15 dGH

Tank Mate Recommendations

Based on 1 selected species

Current Selection:

Mahachai Betta
Fully Compatible Species
Compatible

Guppies

Poecilia reticulata

Livebearers
Size:3-6 cm (1.2-2.4 inches)
Care Level:Beginner
Temperament:Peaceful
100%
Compatible

Tetras

Various Tetra species

Characins
Size:2.5-7.5 cm (1-3 inches)
Care Level:Beginner
Temperament:Peaceful
100%
Compatible

Pleco Catfish

Various Hypostomus, Pterygoplichthys species

Catfish
Size:15-45 cm (6-18 inches)
Care Level:Intermediate
Temperament:Peaceful but territorial
100%
Compatible

Strawberry Betta

Betta albimarginata

Anabantoids
Size:4 cm (1.6 inches)
Care Level:Intermediate
Temperament:Peaceful
100%
Compatible

Snakehead Betta

Betta channoides

Anabantoids
Size:5 cm (2 inches)
Care Level:Intermediate
Temperament:Peaceful
100%
Compatible

Falx Betta

Betta falx

Anabantoids
Size:5 cm (2 inches)
Care Level:Intermediate
Temperament:Peaceful
100%

💡 Tank Mate Tips

• Consider adult size when planning tank space

• Research specific water parameter requirements

• Introduce new fish gradually to reduce stress

• Monitor behavior closely during the first weeks

Quick Facts

Wild Betta species from Thailand

More peaceful than B. splendens

Can breathe air from surface with labyrinth organ

Prefers slightly brackish water

Bubble nest builders

Carnivorous with preference for live/frozen foods

Live 2-3 years typically

Distinctive black body with iridescent scales

Better suited for species tanks

Requires more specific water conditions

Compatibility Summary

Compatible Species6
Requires Caution6
View full compatibility analysis →

Care Requirements

Tank Size38+ litres (10+ gallons)
Temperature24-28°C (75-82°F)
pH6.5-7.5
Hardness5-15 dGH

Related Actions

Browse All Species
Explore other freshwater fish
Shop Products
Find supplies for this species