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Betta Fish Center >> Types of Bettas >> Betta Macrostoma

Betta Macrostoma

9:25 PM - January 12, 2013 by Adam Short

Date Classified: 1909

Native Location: Borneo

Environment: Waterfall pools and rivers

Food: Fruit flies, insects, mosquito larvae

Water and Hardness: Soft to moderate hardness – 10

Water Temperature: 74-79 degrees Fahrenheit

Water pH: 5.8-7.5

In Aquaria:

Physical Appearance: 

•    Male – orange-brown
•    Male - black face/head with wide orange band
•    Female – Lighter orange-brown
•    Female - lacks the black face/head and red marks
•    Female – two black stripes on body


•    Male – pectoral fins have black rays
•    Male – anal fin has black margin edged in lighter color
•    Male – dorsal fin has black spots with white margins
•    Male – caudal fin has white margins and wide black submargins
•    Wild males are brighter red
•    Female – darker margin on caudal fin

Size: 5 inches in length

Feeding in Captivity: Live foods are best. Will eat frozen adult brine shrimp and frozen bloodworms.

Water and Hardness: Demands highly oxygenated, extremely clean, soft water

Water Temperature: At least 75 degrees at all times

Water pH: 5.8-7.5

Breeding: This fish requires a covered tank because it is known as a jumper. The tank should be darkened and include RO or rainwater. Siphon bottom of tank regularly and change water frequently. Plant and float abundant vegetation and supply this fish with four-inch lengths of three-inch PVC pipe or flowerpot caves. Betta macrostoma are difficult to breed.

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