| Family: |
Nemacheilidae (Brook loaches) |
| Max. size: |
8.5 cm SL (male/unsexed) |
| Environment: |
benthopelagic; freshwater; pH range: 5.80000019073486 - 7; dH range: 4 - 15 |
| Distribution: |
Asia: middle Mekong mainstream. |
| Diagnosis: |
Dorsal soft rays (total): 12-12; Anal soft rays: 8-8. A member of the group of species with complete or nearly complete lateral line, 8 1/2 branched dorsal rays, 9+8 branched caudal rays and no sexual dimorphism. Can be distinguished by the following characters: 13-14 bars on body, the anterior ones not conspicuously wider than posterior ones; maximum head width 16.6-17.4% SL; eye diameter 3.1-3.6% SL, 14-17% HL; interorbital width 7.3-7.8% SL, 35-36% HL (Ref. 39226). Its slender caudal peduncle (1.23-1.53 times longer than deep) and its color pattern distinguish it from any congener (Ref. 39226). Presence of a dark blotch at dorsal-fin origin; a faint blotch at base of posterior rays of dorsal fin; scales very sparse or absent in front of dorsal fin and on belly (Ref. 12693). |
| Biology: |
Inhabits streams and river backwaters at the driest time of the year (Ref. 39226). Frequently found in large rivers with stony bottom (Ref. 43281). A 5.92 cm SL female with ripe ovulae 1.4-1.6 mm in diameter (Ref. 39226). Not caught commercially (Ref. 12693). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 08 July 2011 Ref. (130435)
|
| Threat to humans: |
harmless |
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