Common in clear insular areas or in coral reefs off mainland coasts (Ref. 5217). Juveniles frequent areas with algae (e.g. Sargassum) (Ref. 26235). Usually in schools which may be spawning groups; occasionally solitary. Feeds on fishes, shrimps and other invertebrates. Marketed fresh (Ref. 56217). Easily approached (Ref. 9710). Large individuals have caused ciguatera when eaten (Ref. 13442).