Schistura coruscans Kottelat, 2000
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Family:  Nemacheilidae ()
Max. size:  6.6 cm SL (male/unsexed)
Environment:  benthopelagic
Distribution:  Asia: Nam San basin, a tributary of Nam Ngum of the Mekong basin in Laos.
Diagnosis:  Snout profile arched; anterior nostril pierced on front side of a flap; processus dentiformis present; a small median notch in upper lip, lower lip with a median incision; head length 22.0-24.1 %SL; body depth 17.8-19.7 %SL; caudal peduncle length 16.5-18.8 %SL, depth 13.4-14.8 %SL, 1.16-1.33 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 marmorated, no particular pattern; body with 7-13 bars, usually wider than or as wide as interspaces, wider anteriorly than posteriorly; black bar at caudal-fin base usually complete but very faint, except for a vertically elongate blotch occupying about half of caudal-fin base; dorsal-fin base with a black spot at anterior extremity, sometimes an elongate blotch further behind; in life, bright red dorsal and caudal fins, bright yellow-orange anal, pelvic and pectoral fins (Ref. 36949). Juveniles (2 cm SL) with irregular bars, often appearing as pairs of black bars with paler grey area in between (Ref. 43281).
Biology:  Found in riffles, among stones (Ref. 36949).
IUCN Red List Status: Data deficient (DD); Date assessed: 19 January 2011 Ref. (120744)
Threat to humans:  harmless
Country info:   

Entered by: Boden, Gert - 16.02.01
Modified by: Bailly, Nicolas - 31.10.12

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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