Michal Grossowicz, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, Eli Shemesh, University of Haifa, Department of Marine Biology, L.H. Charney School of Marine Sciences, Haifa, Israel, Stephane Martinez, University of Haifa, Morris Kahn Marine Research Station, Department of Marine Biology, Leon H. Charney School of Marine Sciences, Haifa, Israel, Or M Bialik, University of Haifa, Dr. Moses Strauss Department of Marine Geosciences, Mount Carmel, Haifa, Israel, Yehuda Benayahu, Tel Aviv University, Tel Aviv, Israel and Dan Tchernov, University of Haifa, Haifa, Israel