Movie S3.

Vomiting in P. elegans preceded by spasmodic contractions of the stomach.

Volatile secondary metabolites as aposematic olfactory signals and defensive weapons in aquatic environments

Giuseppe Giordano, Marianna Carbone, Maria Letizia Ciavatta, Eleonora Silvano, Margherita Gavagnin, Mary J. Garson, Karen L. Cheney, I Wayan Mudianta, Giovanni Fulvio Russo, Guido Villani, Laura Magliozzi, Gianluca Polese, Christian Zidorn, Adele Cutignano, Angelo Fontana, Michael T. Ghiselin, and Ernesto Mollo

PNAS. 2017. 114:3451-3456 DOI: 10.1073/pnas.1614655114