| Family: |
Gastromyzontidae (Hillstream loaches) |
| Max. size: |
6.4 cm SL (male/unsexed) |
| Environment: |
demersal; freshwater |
| Distribution: |
Asia: Viet Nam. |
| Diagnosis: |
Dorsal soft rays (total): 11-11; Anal soft rays: 6-6; Vertebrae: 31-32. Dorsum of head, body and paired fin bases with whitish reticulated or whitish spotted pattern; faint dark grey axial stripe covering three scale rows; skin around lateral line pores whitish; posterior part of pectoral fin with 5-7 faint annular bands; 20-21 branched pelvic fin rays; 49-54+2 lateral line scales; pelvic fin origin below dorsal fin origin; pectoral fin origin posterior to corner of mouth; pelvic fin reaching anal fin origin; small soft elevated patches of fine tubercles on first pectoral fin rays in males; tubercles on simple pectoral fin ray not enlarged; absence of cavity around mouth and absence of skin-fold between oropectoral membrane and ventral surface of head (Ref. 51729). |
| Biology: |
Inhabits rocky rapids and deep pools over sandy substrates. Also found in rocky pools isolated from the main river. |
| IUCN Red List Status: |
Critically Endangered (CR); Date assessed: 04 September 2010 (A2c+3c; B1b(i,ii)) Ref. (130435)
|
| Threat to humans: |
harmless |
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