Pseudochromis kolythrus is a species of ray-finned fish in the family Pseudochromidae. It is found on Mbere reef, New Caledonia in the western Pacific Ocean.Gill, A.C. and R. Winterbottom, 1993. Pseudochromis kolythrus, a new species of dottyback from New Caledonia, with comments on its relationships (Teleostei: Perciformes: Pseudochromidae). Am. Mus. Novit. (3082):1-7.
Description This species reaches a standard length of .
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