Hemirhamphodon pogonognathus (Bleeker, 1853)
Hemirhamphodon pogonognathus
photo by Hippocampus-Bildarchiv

Family:  Zenarchopteridae (Internally fertilized halfbeaks)
Max. size:  10 cm SL (male/unsexed); 6 cm TL (female)
Environment:  pelagic; freshwater; brackish; pH range: 6 - 8; dH range: 5 - 12; depth range - 0 m
Distribution:  Asia: southern Thailand, Malaysia, Singapore and Indonesia.
Diagnosis:  Belongs to the pogonognathus group with dorsal fin melanophores of one size instead of two and a distinct gap present between the pigment in the distal part of the fin between fin rays 3-8 and the dorsal fin base that is greater than the distance between two adjacent fin rays (Ref. 26761).
Biology:  Found in peats and lowland forest streams (Ref. 57235). In fresh and brackish water. Females bear live young (Ref. 58777). Uncommon aquarium species (Ref. 57235).
IUCN Red List Status: Least Concern (LC); Date assessed: 10 January 2020 Ref. (130435)
Threat to humans:  harmless


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