is species of Betta belonging to the Betta coccina complex
which includes a total of nine species. Betta brownorum are known to be aggressive to each other. According the Natural History Museum
this species occurs in the peat swamp forests of Sarawak, Borneo where the waters are tea colored and highly acidic (pH<4) with low nutrients and dissolved oxygen. To read an extensive account of keeping B. brownorum with great photos check out the Red Wine Bettas Blog
. The owner is working with a bunch of F1 juveniles and sub-adults and is journaling about his experience. As stated this species should have have soft acidic water that is well filtered and the temperature should be kept at cool to mid-70s F. Males may be more intensely colored for this bubblenest breeder but this species has been known to mouthbrood according to the International Betta Congress
. Some hobbyists use floating plants and Malaysian driftwood in the breeding tank. In terms of identification of B. brownorum relative to the other members of the complex, have a much larger side spot them.