Locality no. 4 - A tributary of Sg. Sematan
Due to the heavy downpour at the mountain area, the water level in the blackwater stream and clearwater river are very high. Blackwater stream >> Water PH = 5, Water temperature = 18 degree Celsius. The water PH in clearwater river is not measured.
Pangio shelfordii is found abundantly in blackwater stream. Acanthopsoides robertsi is found abundantly at a clearwater river. (blackwater stream is a tributary of that clearwater river)
A blackwater stream.

Bumblebee goby - Brachygobius doriea ??? This color pattern is a little bit unusual compared with Bumblebee goby from other part of Sarawak.


Acanthopsoides robertsi - It has a spot on the upper part of the base of caudal fin.

Head of Acanthopsoides robertsi. This species is named after an Ichthyologist, Tyson Robert.

Sundadanio axelrodi - very tiny fish. Around 1.5cm.

Sundadanio axelrodi - This one is male.
