Chrysiptera rex, commonly known as the king demoiselle or pink demoiselle,[1] is a species of damselfish in the family Pomacentridae.

It is native to the eastern Indian Ocean and western Pacific, where it lives around reefs.

It grows up to 7 centimetres (2.8 in) long.

It is of commercial importance in the aquarium trade.

This Pomacentridae article is a stub.