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Betta unimaculata
Popta 1905

Betta unimaculata [3]

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Keeping Betta unimaculata from an Aquarist View


Betta unimaculata can be housed in pairs, species tanks, and community tanks.  Pairs can be housed in a 10 gallon tank, groups should be housed in a 40 gallon tank or larger.  Pairs should be given cover such as caves and plants.  In a pair or species situation it is possible that fry could be discovered in the tanks.  For best results remove a brooding male.

Water Conditions

Not critical, unimaculata is very tolerant of water chemistry and thrives in almost any type of water as long as it is clean and well filtered.  They should be kept at cool to mid 70s F.


Unimaculata males normally are more intensely colored then females.  Females tend to have two horizontal bands while the male does not. Females ovaries might be visible via spotlighting. 


Unimaculata is a paternal mouthbrooder and the male incubates from 12 to 17 days with 14 days being very consistent.  Incubation time can vary with water temperature.  Females normally initiate spawning.

Similar Species Similar species would be unimaculata complex members.

Articles on Betta unimaculata

Betta unimaculata. Philippe Chevoleau.  Communauté Internationale pour les Labyrinthidés [internet]. France; c.9 August 2002.

Articles on related species

I’ve Got a New Mouthbrooding Betta – Now What? Michael Hellweg. 2003.

Working with wild Bettas Gerald Griffin.  Flare! 2006

Original Citation Popta, C. M. L. 1905. [80]

Baensch, H.A. and R. Riehl, 1991. [25]
Baensch, H.A. and R. Riehl, 1985. [24]
Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. [88]
Kottelat, M., A.J. Whitten, S.N. Kartikasari and S. Wirjoatmodjo, 1993. [58]
Chevoleau, Philippe. 9 August 2002. 128]
Neugebauer, Norbert, 2002. [136]

Type Locality Howong R and Kajan R., Borneo.
Syntype (52?) ZMA 114486 (1)
Where Found



Known Occurrences: Indonesia: Small stream (clear water over sandstone, above waterfall, no algal growth) [at Bahulak]
Miscellaneous Information Max Size: 12.6 cm TL
pH range: 6.5 - 7.5
dH range: 10.0 - 20
Temperature range: 21 - 25°C
Etymology: One spot.
Reproduction: Mouthbrooder
General Notes: "In most cases, the male is bigger and more colorful than the female. The female shows two dark longitudinal stripes." [126]

Last modification submitted by Gerald Griffin 02.08.08 (mm.dd.yy)

Betta unimaculata Tawau Betta unimaculata Tawau    
Betta unimaculata Tawau
Photo by Ken Muller [15]
Betta unimaculata Tawau
Photo by Ken Muller [15]

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