Probarbus labeaminor Roberts, 1992
Thinlip barb
Thinlip barb
Probarbus labeaminor
photo by FAO

Family:  Cyprinidae (Minnows or carps), subfamily: Probarbinae
Max. size:  150 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: endemic to the Mekong River.
Diagnosis:  Dorsal soft rays (total): 13-13; Anal soft rays: 8-9; Vertebrae: 36-37. Differs from its congeners in having larger (fewer) scales, scale rows between lateral line scale row and pelvic fin 3, fewer vertebrae, weak stripes, only three stripes between lateral line scale row and pelvic fin rather than four, and free posterior margin of left and right sides of lower lip widely separated at midline. Barbels relatively long.
Biology:  Occurs in upland reaches of large and medium sized rivers (Ref. 12693). Feeds on benthic organisms and insect larvae (Ref. 58784). Undergoes upstream movement for spawning (Ref. 58784). Little is known about this species due to past confusion with P. jullieni (Ref. 12693).
IUCN Red List Status: Near Threatened (NT); Date assessed: 25 February 2011 Ref. (130435)
Threat to humans:  harmless
Country info:  Known from the Mekong River (Ref. 26336). Although commonly found at the mouth of the Mun River by the University of Michigan team in 1975, it may already be suffering negative impact from the Pak Mun dam (Ref. 12693). Found near That Phanom (Ref. 33021). Of little or no fisheries significance (Ref. 12369). Threatened due to overfishing (Ref. 58784). Museum: Mekong river at Mukdahan, Kiltipong Jarutanin, CAS 76171 (Ref. 5515); also from Nakhon Phanom and Mukda Han (Ref. 37773). Also Ref. 7427, 12255, 43281. Status of threat: Endangered (Ref. 58784).


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