Brunei Beauty (Betta macrostoma)
Fish in the family Osphronemidae. Hard care. Freshwater.
Quick facts
Scientific nameBetta macrostoma
FamilyOsphronemidae
Also known asSpotfin Betta, Bigmouth Betta
Care levelHard
Reef safetyFreshwater
TemperamentSemi Aggressive
Dietcarnivore
Adult size4 in
Minimum tank size20 gallons
Water parametersTemp 71-78°F, pH 4.5-6.5, GH 1-5 dGH
Appearance
One of the largest and most spectacular bettas, with a fiery orange-and-black body, large mouth, and a striking dark eye-spot on the dorsal fin of males.
Difficulty and care for the Brunei Beauty
Hard
Origin and habitat
Brunei, Sarawak (Borneo)
Keeper notes
Large prized mouthbrooder kept as a bonded pair in a species tank; can be aggressive during pairing. Cooler temperatures than most bettas are essential.
Log Brunei Beauty in your reef tank
Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Brunei Beauty alongside everything else in your reef.
