The nebulous wrasse (Halichoeres nebulosus) is a species of wrasse native to the Indian Ocean and the western Pacific Ocean.

It can be found in groups at depths from 1 to 40 m (3.3 to 131.2 ft) on reef flats.

This species feeds on fish eggs and benthic invertebrates, including crabs, sea urchins, ophiuroids, polychaetes, sponges and mollusks.

[2] Its coloration varies, ranging from brown to dark green.

This species can reach 12 cm (4.7 in) in total length.