Pseudochromis nigrovittatus, the blackstripe dottyback, is a species of ray-finned fish in the family Pseudochromidae. It is found in the western Indian Ocean.Gill, A.C. and J.K.L. Mee, 1993. Notes on dottyback fishes of the genus Pseudochromis of Oman, with description of a new species (Perciformes: Pseudochromidae). Rev. Fr. Aquariol. 20(2):53-60.

Description This species reaches a length of

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