Inhabits subtidal reef flats and lagoon and seaward reefs to depths of 30 m or more. Occurs under ledges or in crevices during the day and feeds on isopods; at night it roams over open sand and low-profile reef areas to feed on polychaetes and small crabs. Venomous spine on its preopercle. Size rarely exceeds 13 cm.
- Anon. (1996). FishBase 96 [CD-ROM]. ICLARM: Los Baños, Philippines. 1 cd-rom pp.