This species of fish is found in reefs in the western Pacific Ocean. Adults are found outside of lagoons while juvenile could be found in them. They are found in areas of the western Pacific Ocean from the southernGreat Barrier Reef in Australia and New Caledonia. In Lord Howe Island, they are found everywhere. Neoglyphidodon polyacanthus is present at depths from to.
Description
Adults can grow up to. The juvenile and adults of this species have different coloration. In adults, they have a grayishblack coloration. Juveniles are yellow with blue lines extending from the eye to their eyespot. They lose their coloration as they mature.