Pseudochromis lugubris, also known as the mournful dottyback, is a species of ray-finned fish in the family Pseudochromidae. It is found in the western Pacific Ocean around New Guinea.Gill, A.C. and G.R. Allen, 2004. Pseudochromis lugubris and P. tonozukai, two new dottyback fish species from the Indo-Australian Archipelago (perciformes: Pseudochromidae: Pseudochrominae. Zootaxa 604:1-12.

Description Pseudochromis lugubris reaches a standard length of .

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