Betta macrostoma, commonly known as the Brunei Beauty Betta, is one of the most sought-after and prestigious wild bettas in the hobby. Quick Facts Scientific Name: Betta macrostoma Common Name: Brunei Beauty Betta Origin: Brunei and northern Borneo Adult Size: 10-12 cm (4-5 inches) Temperament: Relatively peaceful for a betta, but males can be territorial Temperature: 24-28°C (75-82°F) pH: 5.5-7.0 Water Hardness: Very soft to moderately soft Diet: Carnivorous; high-quality frozen and live foods preferred Breeding: Paternal mouthbrooder Care Requirements Betta macrostoma appreciates: Well-planted aquariums with subdued lighting Plenty of cover using driftwood, botanicals, and caves Excellent water quality and stability Low flow environments Secure lids, as they are excellent jumpers Pairing & Breeding A compatible pair can often be maintained together in a 30-40 gallon aquarium or larger. During spawning, the male incubates eggs in his mouth for approximately 28-35 days before releasing fully formed fry. Why They're So Special One of the most iconic wild bettas in the hobby. Stunning orange-red coloration. Historically difficult to obtain due to export restrictions and limited availability. Highly valued by serious breeders and collectors. Shopify Product Description Betta macrostoma Pair (Brunei Beauty Betta) Experience one of the crown jewels of the aquarium hobby. Betta macrostoma is renowned for its brilliant orange-red coloration, impressive size, and fascinating paternal mouthbrooding behavior. Native to the rainforest streams of Borneo and Brunei, this rare species is highly prized by wild betta enthusiasts worldwide. These intelligent and personable fish thrive in mature aquariums featuring soft, clean water, subdued lighting, and plenty of natural cover. Unlike many domestic bettas, B. macrostoma can often be maintained as compatible pairs, making them a rewarding choice for experienced aquarists interested in observing natural breeding behaviors. Care Level: Intermediate to AdvancedAdult Size: Up to 5" (12 cm)Temperature: 75-82°F (24-28°C)Diet: CarnivoreTemperament: Peaceful to Semi-AggressiveMinimum Aquarium Size: 30 Gallons for a Pair A true collector's fish and one of the most desirable wild bettas available in the aquarium trade.
