Dundocharax is a monospecific genus of freshwater ray-finned fish belonging to the family Distichodontidae. The only species in this genus is Dundocharax bidentatus which is endemic to the Lucoge River, a tributary of the Kasai River in the Congo drainage in Angola. This is a pelagic fish which has a maximum standard length of 1.9 cm (0.75 in).

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