Ardeadoris egretta, the heron ardeadoris, is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusc in the family Chromodorididae. It is the type species of the genus Ardeadoris.[1]
This white slug with a yellow border grows to a length of about .
The species is found in depths of in tropical habitats. It was described from Escape Reef and other sites on the Great Barrier Reef, Australia. It occurs in the Indian Ocean and the tropical Western Pacific in Malaysia, Indonesia and the Solomon Islands.[2]