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Betta breviobesus
Tan & Kottelat 1998

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Keeping Betta breviobesus from an Aquarist View



Betta breviobesus 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 30 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, breviobesus 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.


Males have a broader head then females and have a caudal spike typical of pugnax complex and longer pelvic fins.  Females ovaries might be visible via spotlighting.


Breviobesus is a paternal mouthbrooder and the male incubates from 12 to 18 days with 14 days being very consistent.  Incubation time can vary with water temperature.  Females normally initiate spawning.

Similar Species Similar species would be pugnax complex members.

Articles on Betta breviobesus



Articles on Related Species

Hellweg, Michael. Ive Got a New Mouthbrooding Betta Now What?. 2003.

Griffin, Gerald.  Working with wild Bettas Flare! 2006

Original Citation

Tan, H. H. and Kottelat, M. 1998. [102]


Hureau, J.-C., 1991.  [159]

Type Locality

87 km east of Pontianak, 002'S, 11007'E, stream, about 1 km up Sungai Tajan from Tajan, Kalimantan Barat, Borneo.


MZB 3866


CMK 6927 (4)
MNHN 1982-0719 (3)
MZB 3859 (1), 3863-65 (1, 3, 1)
RMNH 289118 (4)
ZMA 16547 (1)ZRC 40284 (3).



Preserved Specimens

MNHN 1982-0719:  Indonesia: Kalimantan. [159]

Miscellaneous Information

Max Size:

6.5 cm SL

Differentiation from similar species:

the absence of of caudal transverse bars vs. presence; more anal rays (25-27, mode 27, vs. 23-26, mode 24-25); more subdorsal scales (5 1/2-7, mode 7, vs. 5); more lateral scales (28-30, mode 30, vs. 26-28, mode 27); smaller predorsal length (62.1-67% SL, vs. 67.3-70.3); larger body depth at dorsal-fin origin (28.7-32.8% SL, vs. 26.2-28.9); slightly longer pelvic fin (33.9-55.4% SL, vs. 33.8-46.7); longer dorsal-fin base (11.4-14.9% SL, vs. 8.7-12.1); smaller total length (12.8-15.1% SL, vs. 14.3-15.5); smaller orbit diameter (48-69% of postorbital length, vs. 57-68); smaller interorbital width (64-74% of postorbital length, vs. 70-76) (Ref. 30224). [102]

The absence of chin-bar (vs. presence in B. pugnax, B. prima and B. pulchra); presence of dark distal borders on anal and caudal fins (vs. absence in B. Pugnax, B. fusca, B. schalleri, B. prima and B. pulchra; absence of caudal transverse bars (vs. presence in B. pugnax and B. pulchra; more anal rays than B. fusca (25-27, vs. 24-25); fewer lateral scales than B. schalleri (28-30, vs. 31); more predorsal scales than B. schalleri (19-21, mode 21, vs. 17-19, mode 19); more postdorsal scales than B. prima (11-12, vs. 9-10); greater head length than B. fusca (51.3-54.3% predorsal length, vs. 47.2-49.4); smaller predorsal length than B. fusca and B. prima (62.1-67% SL, vs. 68.1-70.2); smaller postdorsal length than B. prima (21.9-23.4% SL, vs. 24.1-26.3); smaller preanal length than B. prima (48-51.5% SL, vs. 50.6-54.8); greater body depth than B. schalleri (28.7-32.8% SL, vs. 26.7-27.6); longer pelvic fins than B pugnax (filamentous tip reaching 9-18th anal ray, vs. 4-10th; 33.9-55.4% SL, vs. 26.6-43.8); longer anal-fin base than B. fusca and B. schalleri (51.1-54.5% SL, vs. 47.8-52); smaller orbit diameter than B. pugnax and B. pulchra (24.2-28.5% HL, vs. 27.9-38.5); smaller interorbital width than B. pugnax and B. pulchra (29.6-36.1% HL, vs. 32.4-53) [102]

General notes:

Species obtained from a small blackish-water stream in degraded forest. Currently known only from the middle Kapuas basin. [102]

Last modification submitted by Gerald Griffin 05.17.08 (mm.dd.yy)


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