Betta simorum
Tan & Ng 1996

Photo by Malcom

Keeping Betta simorum from an Aquarist View


Betta simorum can be housed in pairs, species tanks, and community tanks.  Pairs can be housed in a 20 gallon tank, groups should be housed in a 55 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.

Water Conditions

Betta simorum should have soft acidic water that is well filtered.  They should be kept at high 70s to low 80s F.


Males are more intensely colored.  Males also have pointed dorsal, caudal and anal fins whereas females are rounder.


Simorum is a bubblenester.

Similar Species Similar species would be bellica.
Identification Identification is based upon the location of the specimen.

Articles on Betta simorum

Articles needed!

Articles on related species

Breeding My Betta bellica Nonn Panitvong. 2002.

Working with wild Bettas Gerald Griffin.  Flare! 2006

Original Citation Tan, H. H. and Ng, P. K. L. 1996. [104]
References Kottelat, M. and A.J. Whitten, 1996. [114]
Type Locality Swamp in Rantau Panjang, Jambi Prov., Sumatra, Indonesia.
Holotype MZB (present ZRC 39628)
Paratype CMK 11182 (5)
ZRC 38549 (4), 39118 (19)
Where Found Countries: Indonesia
Known Occurrences: Indonesia: Jambi, Rantau Pangang, Sumatra
Miscellaneous Information Locality: Bangka island [6]
Water quality: pH4.5/GH0-1/KH0-1/TDS10/ brown water [6]
Water temperature: 27.1°C [6]
Size: 12cm TL
Temperature Range: 72-79 F
pH Range: 6-7

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Last update: 06/11/2018