*Peter H Barry¹, J. M. de Moor², M. Nakagawa³, D. Giovannelli⁴, M. Schrenk⁵, A. M. Selzer¹, K. G. Lloyd⁶ (1.Woods Hole Oceanographic Institution, 2.Observatorio Volcanológico y Sismológico de Costa Rica (OVSICORI), Universidad Nacional, Costa Rica, 3.Earth-Life Science Institute, Tokyo Institute for Technology, Tokyo, Japan, 4.Department of Biology, University of Naples “Federico II”, Naples, Italy, 5.Department of Earth and Environmental Sciences, Michigan State University, MI, USA, 6.Department of Microbiology, University of Tennessee, TN, USA)