Cliona sulphurea Directory References Discover How Deadly Is Quicksand? 6 Animals That Eat Their Mates Why Do Some Cicadas Appear Only Every 17 Years? Ten Days That Vanished: The Switch to the Gregorian Calendar Who Invented the Internet? 10 Great Sports Rivalries 7 of the World’s Deadliest Plants Contents Cliona sulphurea sponge Ask Our Chatbot a Question Ask Our Chatbot a Question Learn about this topic in these articles:description In clionidCliona sulphurea, common in coastal waters from New England to South Carolina, is bright yellow and lives on the shells of both dead and living mollusks.Read More