River
Sedili Besar
Only species with a profile on Seriously Fish are counted.
- Species
- 2
- Families
- 1
- Photographed
- 2 of 2
- Difficulty rated
- 2 of 2
Shares fishes withspecies recorded from both
Runs through

Belontia hasseltiJava Combtail
Osphronemidae · (Cuvier, 1831)
The Java combtail, Belontia hasselti, is a labyrinth fish from peninsular Thailand, Peninsular Malaysia, Singapore, Sumatra, Borneo and Java. Also known as the 'Malay combtail', it mostly inhabits acidic forest peat swamps with little water movement. It differs from its only congener, B. signata, in its brownish grey body and the mosaic pattern in its unpaired fins. Growing to 200 mm SL, it will eat very small fishes and is not recommended for the average community aquarium.

Betta pugnax
Osphronemidae · (Cantor, 1849)
Betta pugnax is a paternal mouthbrooding labyrinth fish from much of Peninsular Malaysia and Singapore, described from Penang. It lends its name to the B. pugnax complex. Populations inhabit shallow, flowing clear-water hill streams as well as stiller forest swamps. It is not among the more aggressive members of the genus and can be maintained in a pair or group.