Gouramis and Bettas
Brunei Betta
Betta macrostoma
Key facts
- Temperature22–25 °C
- pH4.5–6.5
- Minimum tank80 l
- Adult size10 cm
- Difficulty★★★★☆
- TemperamentSemi-aggressive
- WaterFresh
Full profile
- Family
- Osphronemidae
- Origin
- Brunei and Sarawak (Borneo)
- Size
- 10 cm
- Temperature
- 22 – 25°C
- pH
- 4.5 – 6.5
- GH
- 0 – 5 °dGH
- Difficulty
- ★★★★☆
- Water type
- tropical freshwater
- Swimming level
- medium
- Behavior
- semi-aggressive
- Minimum number of individuals
- pair
- Minimum aquarium size
- 80 L
- Diet
- carnivore
- Reproduction
- oviparous; paternal mouthbrooding
Notes: Known as the “Brunei beauty”: red males with a black spot on the dorsal fin. Highly prized and delicate.





