Hemimyzon confluens
Introduction '''''Hemimyzon confluens''''' is a species of ray-finned fish in the genus ''Hemimyzon''. It is known from a single location in the Nam Ngum drainage in Laos, a tributary of the Mekong. The known material suggests a maximum standard length of about  . ''H. confluens'' is threatened by pollution from mining activities and hydro-power development.
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