Harvesting of red coral was also done by divers. The marine flora is abundant in sponges, madreporaria, black coral and red coral. In Naples, the mythical origin story of red coral is well known. Intensely red coral is prized as a gemstone. Red coral is very rare because of overharvesting. Cornicelli are usually carved out of red coral or made from gold or silver. These bracelets traditionally have a black or red coral amulet attached. They also used red coral for the bangles. The walls are covered with red coral and yellow leptosamnia. There is a salt-cellar tree, made from red coral, hung with sharks' teeth. It turns out to be red coral, a very valuable medicine. The mushroom is commonly known as the "red coral". At Calafuria, the sea contains sponges, shellfish, fish, and protected red coral ("Corallium rubrum"). In 2012, a rare red coral kukri snake was sighted in the sanctuary. He edited "Red Coral", a web zine, between 1999 and 2003.