[2] It distribution extends from the Andaman Sea and Christmas Island to the Philippines and Samoa, extending north to the Ryukyu Islands and south to northern Australia.

[3] This species is found in lagoon and seaward reefs where there are areas of mixed sand and coral.

The juveniles are transported by currents away from their normal breeding range.

These fish are frequently encountered in pairs or small loose groups, normally close to the bottom.

When approached, they react by moving up and down in a distinctive manner which may confuse a potential predator.