Sea Grant College Program Massachusetts Institute of Technology Cambridge, Massachusetts 02139 NOAA Grant No. NA10OAR4170086 Project No. 2010-R/RCM-29-REG Reprinted from Marine Biology, vol. 159 (12): 2875-2884, doi:10.1007/s00227-012-2048-9, December 2012. MATERIAL PROPERTIES OF DIDEMNUM VEXILLUM AND PREDICTION OF TENDRIL FRAGMENTATION J. F. Reinhardt, K. L. Gallagher, L. M. Stefaniak, R. Nolan, M. T. Shaw and R. B. Whitlatch MITSG 12-19