Betta akarensis Regan, 1910
Akar betta
photo by Petersen, P.

Family:  Osphronemidae (Gouramies), subfamily: Macropodusinae
Max. size:  14 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater; pH range: 5.5 - 6.80000019073486; dH range: 12
Distribution:  Asia: Borneo.
Diagnosis:  Dorsal spines (total): 1-1; Dorsal soft rays (total): 7-8; Anal spines: 1-2; Anal soft rays: 26-28; Vertebrae: 31-32. Differs from other members of the species group by the following combination of characters: opercle with uninterrupted second postorbital stripe; yellow eye when live; anal fin rays 28-30 (mode 28); subdorsal scales 5-6 (mode 5); lateral scales 31-33 (mode 32); predorsal scales 22-25 (mode 23); postdorsal scales 10-12 (mode 11); preanal length 43.4-48.5% SL; head length 29.8-34.9% SL; anal fin base length 49.6-56.8% SL (Ref. 55025).
Biology:  Occurs in habitats ranging from peat swamp forest to acid water swamp forest (Ref. 55025). Normally found in a more stagnant sections of streams among the submerged leaf litter and overhanging bank vegetation (Ref. 55025). Mouth brooder (Ref. 55025)
IUCN Red List Status: Data deficient (DD); Date assessed: 05 December 2018 Ref. (124695)
Threat to humans:  harmless
Country info:   

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