Luciocyprinus langsoni Vaillant, 1904

Family:  Cyprinidae (Minnows or carps), subfamily: Cyprininae
Max. size:  79 cm SL (male/unsexed); max.weight: 15 kg
Environment:  benthopelagic; freshwater
Distribution:  Asia: Viet Nam and China.
Diagnosis:  Dorsal soft rays (total): 12-12; Anal soft rays: 8-8. With 1/2 14 - 15/1/7 - 8 1/2 scales in transverse line between dorsal and pelvic fins, 13 1/2 between lateral line and ventral mid-line, 33-37 predorsal ones, no barbels, groove posterior to lower lip interrupted in the middle; last simple dorsal and anal rays not denticulated, body silvery with a black longitudinal band along lateral line, wider in the posterior part of the body, pharyngeal teeth 4.4 - 4.4 (Ref. 37832). Eyes large and convex, located higher; interorbital space flat; snout projected; upper lip thick; length behind head far longer than length of snout (Ref. 45536).
Biology: 
IUCN Red List Status: Vulnerable (VU); Date assessed: 13 February 2012 (A2cde) Ref. (130435)
Threat to humans:  harmless
Country info:  Known from Song-Ki-Kon at Lang Son. Also Ref. 37832, 44416. Status of threat: Vulnerable (Ref. 46452).


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