Teleostei (teleosts) >
Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Schistura: Greek, schizein = to divide + Greek, oura = tail; an allusion to forked caudal fins (Ref. 45335); quaesita: From the Latin quaesitus (subtle, refined, delicate).
More on author: Kottelat.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
Asia: Nam Ngum basin, Laos.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.4 cm SL male/unsexed; (Ref. 43281)
Short description
Identification keys | Morphology | Morphometrics
Anterior nostril pierced on front side of a flap; processus dentiformis present; no median notch in upper lip, lower lip with median interruption; no median notch in lower jaw; caudal peduncle with elevated dorsal and ventral keels on posterior extremity, length 15.4 %SL, depth 9.4 %SL, 1.64 times in length; body depth 15.8 %SL; snout length 11.3 %SL, 49 % dorsal HL, eye diameter 5.5 %SL, 24 %HL; 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; body with 8 broad bars, much wider than interspaces, except on caudal peduncle where interspaces are wider, irregularly shaped, the anterior ones not very distinct; 13 irregular black dots along lateral line, last one largest, immediately anterior to caudal-fin base; black bar at caudal-fin base complete but faint, except for conspicuous black vertically-elongate blotch occupying median half of fin base; dorsal-fin base with a small black blotch anteriorly, followed by a hyaline patch and a low faint grey elongate blotch (Ref. 36949).
Body shape (shape guide): elongated.
Found in riffles and rapids (Ref. 36949).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kottelat, M., 2001. Fishes of Laos. WHT Publications Ltd., Colombo 5, Sri Lanka. 198 p. (Ref. 43281)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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