Bodianus trilineatus, the fourline hogfish, is a species of wrasse found in the western Indian Ocean.Parenti, P. and J.E. Randall, 2000. An annotated checklist of the species of the labroid fish families Labridae and Scaridae. Ichthyol. Bull. J. L. B. Smith Inst. Ichthyol. (68):1-97.
Description This species reaches a length of .
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