A shell fish related to the abalone; inside the shell is a myriad of ever changing colors

an abalone native to New Zealand with an iridescent shell used in ornaments and jewelry.

Paua or pāua is the Māori name given to a small group of monovalve molluscs endemic to New Zealand coastal waters. They belong to the family Haliotidae (genus Haliotis) of which there are approximately 130 species, usually known in the Northern Hemisphere as abalone.