Betta macrostoma Care Guide
Betta macrostoma
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Bioload Score
3340
- Max Size
- 13.0 cm / 5.1"
- Temperature
- 24–27°C (75–80°F)
- pH Range
- 4.0 – 7.0
- Min Tank Size
- 76L (20 gal)
- Min Group Size
- Can be kept alone
- Tank Level
- Bottom-Mid
- Origin
- Southeast Asia
- Temperament
- Aggressive
- Difficulty
- Advanced
- Breeding Difficulty
- Difficult
Diet
In captivity it thrives on a varied diet of high-quality pellets, frozen or live foods such as brine shrimp, daphnia, and bloodworms, with an emphasis on protein-rich offerings to support health and coloration.
Community Compatibility
Best kept either alone or as a pair/trio in a species-only setup, as it can be territorial and is not ideal for general community aquaria.
Good to Know
The Betta macrostoma is a striking, large-mouthed betta known for its bold personality and vivid orange body with dark vertical bars, making it both impressive to watch and deserving of a carefully planned, secure aquascape.
Gender Differences
Males are larger, more intensely colored with broader heads and more extended fins, while females are smaller, duller brown to light red with a more robust, rounded body and faint lateral bands.
Stock Betta macrostoma in Your Tank
Use our free stocking calculator to see if Betta macrostoma fits your aquarium