Lives in subtidal reef flats, also in lagoon and seaward reefs below the surge zone to depths of at least 26 m. Often occurs in large aggregations during the day in areas of rich foliaceous or cavernous coral growth (Ref. 30573). Benthopelagic (Ref. 58302). Feeds on plankton such as crab larvae. Caught at night (Ref. 30573).