The journal Mediterranean Marine Science (MMS), published by the Hellenic Centre for Marine Research (HCMR), issues three volumes annually. The journal welcomes original research articles, short communications, ''New Mediterranean Biodiversity records'', ''New records of rare species in the Mediterranean Sea'', extended reviews, comments, and Theme sections in all fields of Oceanography, Marine Biology, Marine Conservation, Fisheries and Aquaculture in the Mediterranean area and the adjacent regions. All content is peer reviewed. As of January 2014 the MMS is only available on line. Mediterranean Marine Science is indexed in WoS (Web of Science, ISI Thomson), SCOPUS and in Aquatic Science and Fisheries Abstracts (ASFA). The content of MMS is covered by Elsevier and archived in CITEFACTOR. The MMS has an increasing Impact Factor (IF) for 2020 reaching: 2,44.