Plectranthias exsul is a species of fish in the family Serranidae occurring in the western Indian Ocean. Heemstra, P.C. and J.E. Randall, 2009. A review of the anthiine fish genus Plectranthias (Perciformes: Serranidae) of the Western Indian Ocean, with description of a new species, and a key to the species. Smithiana Bull. 10:3-17.
Size This species reaches a length of .
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