Schistura defectiva Kottelat, 2000

Family:  Nemacheilidae (Brook loaches)
Max. size:  4.85 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: Nam Ngum and Nam Khan basins of the Mekong
Diagnosis:  Anterior nostril pierced on front side of a flap; processus dentiformis present; lower lip interrupted medially, no median notch in upper lip; no median notch in lower jaw; body depth 14.3-15.8 %SL; caudal peduncle length 14.5-15.8 %SL, depth 10.5-11.8 %SL, 1.26-1.44 times in length; lateral line complete; anus about 1-2 eye diameters in front of 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; top of head spotted; body with 8-10 bars, as wide as or narrower than interspaces, not very regularly shaped and set, often dissociated into a blotch along side and a blotch along dorsal midline; a faint grey midlateral stripe or rows of longitudinally elongate blotches superimposed to the bar pattern; black bar at caudal-fin base more or less complete, often not reaching ventral midline, bent forward along dorsal midline; dorsal-fin base with a black spot at anterior extremity, followed by an orange dot and a grey elongate blotch (Ref. 36949). Mid-dorsal blotches may also be fused into a mid-dorsal stripe (Ref. 43281).
Biology:  Inhabits riffles and creeks (Ref. 36949).
IUCN Red List Status: Data deficient (DD); Date assessed: 22 January 2011 Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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