Chlidichthys cacatuoidesChlidichthys cacatuoides, the cockatoo dottyback, is a species of fish in the family Pseudochromidae.DescriptionChlidichthys cacatuoides is a small-sized fish which grows up to.Distribution and habitatChlidichthys cacatuoides is found in the Indian Ocean from Oman including the Socotra Archipelago.