Upload Your Entry
![](https://kythera-family.net/en/media/view/4/1066301500.jpg)
![](https://kythera-family.net/en/media/view/4/1066301500.jpg)
Pearl Oyster interior
Interior of a Pearl Oyster, Pinctada margaritifera, showing the brilliant mother-of-pearl lining. 4 cm by 5 cm, found on Diakofti Beach. Photograph ©James Prineas, 2003