Sanja Frka¹, Andrea Milinković², Abra Penezić², Ana Cvitešić Kušan², Saranda Bakija Alempijevic², Ana Depolo², Silva Žužul³, Sanda Skejić⁴, Danijela Šantić⁵, Ranka Godec³, Jelena Godrijan², Blaženka Gašparović², Maren Striebel⁶, Jutta Niggemann⁷, Mariana Ribas-Ribas⁸ and Oliver Wurl⁹, (1)Ruđer Bošković Institute, Division for Marine and Environmental Research,, Zagreb, Croatia, (2)Ruđer Bošković Institute, Division for Marine and Environmental Research, Zagreb, Croatia, (3)Institute for Medical Research and Occupational Health, Zagreb, Croatia, (4)Institute of Oceanography and Fisheries, Laboratory of Plankton and Shellfish Toxicity, Split, Croatia, (5)Institute of Oceanography and Fisheries, Microbiology Laboratory, Split, Croatia, (6)Carl Von Ossietzky Universität of Oldenburg, Institute for Chemistry and Biology of the Marine Environment, Wilhelmshaven, Germany, (7)Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany, (8)Carl-von-Ossietzky Universität Oldenburg, Center for Marine Sensors (ZfMarS), Institute for Chemistry and Biology of the Marine Environment (ICBM), Wilhelmshaven, Germany, (9)Carl von Ossietzky Universität Oldenburg, Center for Marine Sensors (ZfMarS), Institute for Chemistry and Biology of the Marine Environment (ICBM), Wilhelmshaven, Germany