Chemical defences in soft corals (Coelenterata: Octocorallia) of the Great Barrier Reef: a study of comparative toxicities: Coll JC, La Barre SC, Sammarco PW, Williams WT and Bakus GJ (1982) Chemical defences in soft corals (Coelenterata: Octocorallia) of the Great Barrier Reef: a study of comparative toxicities. Marine Ecology Progress Series. 8: 271-278.