Cyanea capillata and Chrysaora quinquecirrha are two species of jellyfish which emit an "iodoform-like" odor. Attempts to identify the compound(s) which produce this odor have been made using chromatography techniques. Thus far, results obtained from column chromatography and GC-MS analysis have been inconclusive. However, these data suggest an hypothesis that may explain the origin of the odor. A low molecular-weight, highly volatile compound, such as ethylene, is a likely candidate for this elusive, odor-causing chemical.
Mitchell '98, Kris, "Organic Compounds in Cyanea capillata and Chrysaora quinquecirrha" (1998). Honors Projects. Paper 25.