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Text and photos by Nick Baker, unless otherwise stated

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Forest Halfbeak

Forest Halfbeak photographed in a forest stream, Singapore.

Species : Hemirhamphodon pogonognathus
Maximum Length : 12 cm

References : F1

The Forest Halfbeak inhabits clear, forest streams. As with other halfbeaks it is a surface dweller which continuosly faces upstream while it searches for food prey such as fallen insects.

It can be distinguished from the similar Pygmy Halfbeak Dermogenys pusillus by the position of the dorsal fin which begins forward of the anal fin. The Forest Halfbeak is also more colourful, and bears a small tell-tale drooping appendage at the front of the lower jaw (see inset).


The red, drooping appendage can be clearly seen at the front of the lower jaw.

The species ranges from Southern Thailand through Peninsular Malaysia and  Singapore to parts of Indonesia.