Plectranthias inermis, the chequered perchlet, is a species of fish in the family Serranidae occurring in the Indo-West Pacific.Randall, J.E., 1980. Revision of the fish genus Plectranthias (Serranidae: Anthiinae) with description of 13 new species. Micronesia 16(1):101-187.
Size This species reaches a length of .
Distribution and Habitat Plectranthias inermis, commonly known as the Chequered Perchlet or Geometric Flame Hawkfish, is distributed across the Indo-West Pacific, including Fiji, the Philippines, Mauritius, Indonesia, and Papua New Guinea. It inhabits deep coastal and inner reef drop-offs at depths of 14–65 m, where it resides among rubble or in crevices.
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