Hemirhamphodon pogonognathus
Hemirhamphodon pogonognathus is a tiny halfbeak native to Southeast Asian freshwater and brackish habitats. Though prized by aquarium hobbyists for its vivid colors, it is seldom targeted by anglers because of its diminutive size.
Family
Zenarchopteridae
Max Size
10 cm
Habitat
freshwater, brackish
Climate
tropical
Best Season
Year‑round in tropical regions, with peak activity during the rainy season (May‑October).
Best Time
Early morning and late evening when surface insects are most abundant.
No distribution map available
Batang River
IndonesiaA clear blackwater river in Central Kalimantan renowned for its abundant Hemirhamphodon pogonognathus populations in shaded riffles and overhanging leaf litter.
Best: May-September
Kinabatangan River
MalaysiaThe longest river in Sabah, offering deep pools and slow‑moving stretches where the halfbeak thrives among submerged roots and mangrove fringes.
Best: June-October
Lake Lanao
PhilippinesA highland lake on Mindanao with extensive vegetated shorelines that support thriving schools of Hemirhamphodon pogonognathus during the cooler months.
Best: November-February
Brunei River
BruneiA tranquil river flowing through the capital district, where the species frequents the shaded, slow‑current sections beneath overhanging palms.
Best: April-August
Upper Baram River
MalaysiaRemote headwaters in Sarawak with crystal‑clear streams and dense riparian forest, providing ideal habitat for the halfbeak.
Best: July-October
Borneo Rainforest Reserve (Central Borneo)
IndonesiaA protected rainforest catchment in central Borneo; accessible only via guided treks, the species is found in isolated, pristine blackwater tributaries.
Best: May-September
Best bait: Live micro‑bait such as mosquito larvae, tiny daphnia, or freshly hatched brine shrimp