Monocentris reedi is a species of ray-finned fish within the family Monocentridae. The species is found in the southeastern Pacific near Chile off the Juan Fernández Islands, Nazca Ridge and the Desventuradas Islands, where it lives a demersal lifestyle inhabiting tide pools, caves, and deep rocky reefs at depths of . It grows to lengths of .
Monocentris reedi has been assessed as a 'least concern' species by the IUCN Red List as despite its small and limited range, it has no known major threats.
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