| Family: |
Osphronemidae (Gouramies), subfamily: Macropodusinae |
| Max. size: |
3.54 cm SL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
Asia: Sumatra in Indonesia, from Meulaboh to lowland hill streams before Singkil. |
| Diagnosis: |
Dorsal spines (total): 1-1; Dorsal soft rays (total): 8-8; Anal spines: 2-3; Anal soft rays: 22-24; Vertebrae: 29-30. Differs from Betta rubra bypossessing the following characters: a continuous black postorbital stripe extending up to opercle edge (vs. interrupted stripe); broad suborbital stripe below eye forming a triangular black mark (4-5 scale rows wide, vs. 2-3); body coloration less intense with wider interspaces between the black body bars; fewer anal-fin n rays (mode 25, vs. 27); greater number of subdorsal scales (6-7 vs. 5-5 ½); greater number of lateral scales (mode 31, vs. 30); greater number of vertebrae (mode 30, vs. 29); longer dorsal-fin base length (13.0-18.4, vs. 11.0-13.4% SL); and smaller maximum size (35.4 vs. 42.1 mm SL) (Ref. 93059). |
| Biology: |
Occurs in lowland hillstream and acid water swamp habitats. Found in clear to brown-water habitats, from secondary forest to plantation and farmland environments. Syntopic with Osteochilus jeruk, Rasbora jacobsoni, Rasbora kluetensis (Cyprinidae); Nemacheilus tuberigum (Nemacheilidae); Mystus punctifer (Bagridae); and Ompok brevirictus, Kryptopterus piperatus (Siluridae) (Ref. 93059). |
| IUCN Red List Status: |
Vulnerable (VU); Date assessed: 26 December 2018 (B1ab(iii)) Ref. (130435)
|
| Threat to humans: |
harmless |
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