Family: |
Gastromyzontidae (Hillstream loaches) |
Max. size: |
5.37 cm SL (male/unsexed) |
Environment: |
demersal; freshwater |
Distribution: |
Asia: Se Kong drainage in Laos and Vietnam. |
Diagnosis: |
Vertebrae: 31-32. Differs from other species of Sewellia by the following combination of characters: body spotted, without dark stripes; without concentric band on paired fins; pelvic fin reaching to anal-fin origin; pelvic-fin origin below dorsal-fin origin; small soft elevated patches of fine tubercles on first pectoral-fin rays in males; tubercles on simple pectoral-fin ray not enlarge; absence of cavity around mouth; absence of skin-fold between oropectoral membrane and ventral surface of head; and 50-60 lateral line scales (Ref. 40433). |
Biology: |
Inhabits rivers with rocky bottom, with gravel and stone and sometimes large boulders. River current is moderate to swift, but the gradient is moderate. |
IUCN Red List Status: |
Least Concern (LC); Date assessed: 19 February 2011 Ref. (130435)
|
Threat to humans: |
harmless |
Country info: |
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