| Family: |
Nemacheilidae (Brook loaches) |
| Max. size: |
4.9 cm SL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
Asia: Nam San basin, a Nam Ngum tributary in Laos. |
| Diagnosis: |
Body cylindrical, greatest depth in front of dorsal-fin origin, sometimes with a conspicuous hump; head flat with pointed profile and depressed snout; nostril flap pointed, barbel-like, reaching anterior margin of eye; anterior nostril pierced on front side of flap; processus dentiformis present; mouth subterminal, lips smooth; no median notch in upper lip, lower lip interrupted medially; lateral line reaching at most level of anal-fin origin; anus at equal distance from pelvic-fin base and anal-fin origin; 8.5 branched dorsal-fin rays; 5.5 branched anal-fin rays; caudal fin emarginate, with 9+8 branched rays; axillary pelvic lobe present; 6-8 broad dark bars on body, quite regularly shaped, usually wider than interspaces; dorsal fin with two large black blotches along base; black bar at caudal-fin base not reaching lower and upper margin of caudal peduncle; body sometimes plain dark brown, independent of size (Ref. 36949). |
| Biology: |
Found in riffles, among stones (Ref. 36949). |
| IUCN Red List Status: |
Endangered (EN); Date assessed: 19 January 2011 (B1ab(i,ii,iii)+2ab(i,ii,iii)) Ref. (130435)
|
| Threat to humans: |
harmless |
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