Nemacheilus binotatus Smith, 1933
photo by Panitvong, N.

Family:  Nemacheilidae (Brook loaches)
Max. size:  6 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater; depth range 0 - 1 m
Distribution:  Asia: Mekong (Ref. 26336), Chao Phraya and Mae Khlong basins in Thailand (Ref. 12041).
Diagnosis:  Dorsal soft rays (total): 12-12; Anal soft rays: 8-8. With unique color pattern consisting of a yellowish background with a black stripe along dorsal mid-line and one from tip of snout to caudal fin base through eye and along lateral line; 1 (-3) small vertically elongated spots over lateral stripe; in life, the spots are surrounded by a whitish area (Ref. 39226).
Biology:  Inhabits streams with moderate to strong current over sandy or pebble substrate. Feeds on may-flies. Observed to form small troops of up to 20 individuals above the substrate around large rocks. This is in contrast with most of the nemacheilines which live solitary under stones. A female measuring 4.16 cm SL with distended belly and ripe ovulae, about 0.7 mm in diameter (Ref. 39226).
IUCN Red List Status: Data deficient (DD); Date assessed: 05 July 2011 Ref. (130435)
Threat to humans:  harmless


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