Pseudochromis olivaceus, the olive dottyback, is a species of ray-finned fish in the family Pseudochromidae. It is found in the western Indian Ocean.Lieske, E. and R. Myers, 1994. Collins Pocket Guide. Coral reef fishes. Indo-Pacific & Caribbean including the Red Sea. Harper Collins Publishers, 400 p.
Description This species reaches a standard length of .
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